Monday, January 19, 2009

Birthdaybonusclub.com/

How it Works
The Birthday Bonus Club operates as a forced 3×9 matrix.

As a member, you can refer any number of friends but only the first three will go into your first level - and they make up part of the groups who you will be donating to on their birthdays. Any other friends that you refer will “spillover” to lower levels in your network.

A full 3×9 network will look like this :

Level Members Total
1 3 3
2 9 12
3 27 39
4 81 120
5 243 363
6 729 1,092
7 2,187 3,279
8 6,561 9,840
9 19,683 29,523
When your Birthday comes around, we will email everyone in your personal network and ask them to contribute to your Birthday Bonus.

One very important point

The amount that individual members decide to contribute is entirely up to them!


In the Birthday Bonus Request we will suggest an amount to contribute which is based on your Personal Rating

Gold Rating - $5.00
Silver Rating - $4.00
Bronze Rating - $3.00
Green Rating - $2.00
Your Personal Rating

When you join the Birthday Bonus Club you will have a default Personal Rating of Green - but you can improve your rating in a number of ways:

By referring others to the Birthday Bonus Club - you can refer as many new members as you like - and each improves your rating!
By paying more than the recommended amount on a Birthday Request
But - it works the other way too!

You will lose Rating Points if you pay less than the recommended amount on a Birthday Request! We realise that there will be times when you simply cannot afford to donate to someone’s Birthday Bonus - so, we allow you to “pass” a maximum of three times in any one year. You will lose Rating Points but you will have opportunities to make them up again. If you attempt to pass a fourth time, you will be dropped from the Birthday Bonus Club

It’s in your own interests to refer as many new members as you can - for two reasons :

Each new referral adds 1 point to your Personal Rating - you need only 5 points to have a Gold Rating
Extra Rating Points act as a “buffer” for those times when you are short of cash - if you have (say) 10 Rating points and you need to pass a Birthday Request, you will still have five points and Gold status.
Remember - you will NEVER be asked to pay anything to Birthday Bonus Club directly!

As this website develops, we will include advertising - and that is where our income will come from - NOT from YOU! sO PLEASE CONTACT my link URL http://birthdaybonusclub.com/zubir16012009 or you can use this Splash Page in your favorite Trafic Exchange

http://ww1.birthdaybonusclub.com/splash1.php?zubir16012009

Tuesday, December 30, 2008

Should I have allergy shots for allergies to insect stings?

Introduction

This information will help you understand your choices, whether you share in the decision-making process or rely on your doctor's recommendation.

RELATED ARTICLES
Immunotherapy for allergies to insect stings
Allergies to Insect Stings - Treatment Overview
» MORE TREATMENT ARTICLES
Key points in making your decision

Your decision about having allergy shots (immunotherapy) for allergies to insect stings will involve several issues regarding your current health and the likelihood that you might develop severe reactions to stings in the future. If your child is allergic to insect stings, these same factors will affect the decision about having allergy shots. Consider the following when making your decision:

If you have been stung in the past and had a systemic (whole-body) allergic reaction to the sting, you have a high risk of having a similar reaction if stung again.
If you had an anaphylactic (life-threatening) reaction in the past, immunotherapy significantly reduces your risk of having another severe systemic reaction from 60% to 3%.1
You may not need allergy shots if you had a normal (localized) reaction or a large localized allergic reaction to an insect sting in the past. Only about 1% to 10% of people with localized reactions to insect stings progress to a more serious, systemic allergic reaction.2
If you have taken allergy tests that identified one or more sensitivities to insect stings, immunotherapy can prevent life-threatening reactions and also reduce anxiety associated with insect stings.
Allergy shots may not be safe for you if you have an impaired immune system or certain kinds of heart problems.
Allergy shots are uncomfortable and costly, may trigger anaphylaxis in some people, and usually take 3 to 5 years to complete.
Medical Information

What are allergies to insect stings?

An allergic reaction to a sting occurs when your body's immune system overreacts to substances called allergens in the venom of stinging insects such as bees, wasps, hornets, or fire ants.

What is a systemic allergic reaction?

Minor allergic reactions occur around the site of the sting (localized reaction) and can cause redness, swelling, fatigue, nausea, and a low fever. A more serious allergic reaction can spread throughout your entire body (systemic reaction) and cause symptoms such as itching, hives, and swelling of the tongue, throat, or other body parts. A life-threatening systemic allergic reaction called anaphylaxis can cause severe symptoms such as confusion, difficulty breathing, shock, and sometimes death.

What is immunotherapy for allergies to insect stings?

Standard immunotherapy is a series of allergy shots that can prevent or reduce the severity of symptoms during a systemic allergic reaction. Allergy shots are not needed if you have mild, local allergic reactions to insect stings.

Allergy shots work by introducing small amounts of insect venom into your body, making you less sensitive over time to the venom.

Once allergy tests have identified the insect(s) you are allergic to, you can begin immunotherapy. At first, you will receive weekly shots containing small doses of venom and allergens from the insect(s) that cause your allergies. After about 4 to 6 months of weekly shots, you will receive a maintenance dose every 4 weeks for another 4 to 6 months. Finally, you will continue getting monthly shots for 3 to 5 years, depending on the type of stings that cause your allergies; for example, fire ant allergies require longer treatment than other stinging insect allergies.

What is rush immunotherapy?

Accelerated or "rush" immunotherapy is done to rapidly increase your tolerance to an allergen. A series of shots is usually given every few hours on the same day or every few days. When the first injection is given, you must wait a period of time to see whether you have a reaction to the shot. If you do not, additional shots are given throughout the day. You (or your child) may have some anxiety about receiving the next injection; it may be helpful to bring a book or something to distract yourself while you wait for the next shot.

Maintenance is reached much more quickly with rush immunotherapy than standard immunotherapyusually in 1 to 8 days instead of several months. Rush immunotherapy may be given if you have severe or life-threatening allergic reactions to insect stings, are a long distance from any type of health care facility, have severe allergic asthma, or are about to travel.

What are the risks of immunotherapy for allergies to insect stings?

Allergy shots are safe for most people. The most common side effects are redness and warmth at the injection site. Some people may experience large local reactions that include itching, hives, or swelling of the skin near the injection site.

However, allergy shots can trigger a more serious systemic reaction, which may include difficulty breathing or swelling in the deep layers of the skin. On rare occasions, a person may have a life-threatening allergic reaction (anaphylaxis) to the shots. Because of this possibility, the shots are given in a health care facility or other setting where emergency care can be provided if needed.

Talk with your health professional if you have an autoimmune disease (such as lupus) or are taking medications for heart problems (such as beta-blockers); allergy shots may not be safe for you.

If you need more information, see the topic Allergies to Insect Stings.

Your Information

Your choices are:

Get allergy shots to reduce your sensitivity to insect stings and reduce the risk of a severe allergic reaction (anaphylaxis).
Do not get allergy shots, and use other measures such as avoiding stinging insects and carrying an allergy kit to deal with the risk of a severe allergic reaction. Allergy shots usually are recommended only for people who have previously had a systemic reaction.
The decision about whether you or your child should have allergy shots (immunotherapy) for insect sting allergies takes into account your personal feelings and the medical facts.

Deciding about allergy shots
Reasons to have allergy shots Reasons to not have allergy shots
You tested positive for sensitivity to allergens from the venom of one or more insects.
You had a moderate to severe systemic allergic reaction (anaphylaxis) to an insect sting.
You work outdoors and have had increasingly worse reactions to each insect sting.
You were stung only once by an insect, but you had a moderate to severe reaction.
You have systemic reactions to insect stings but cannot carry an allergy kit with you at all times.
You won't use an allergy kit (you are hesitant to give yourself an injection).
You want to feel less worried or anxious about being stung.
Are there other reasons you might want to have allergy shots?
You tested negative for sensitivity to allergens from the venom of insects.
Your allergic reaction to insect stings is local or is a large local reaction but not systemic.
You are younger than 16 and you had a mild skin reaction all over your body (systemic reaction) without any other symptoms.
You are more afraid of the shots than of your reaction to the insect stings and would rather carry an allergy kit with you.
You have an autoimmune disease (such as lupus) or are taking heart medications (such as beta-blockers or ACE inhibitors).
You attempted allergy shots previously, but the shots triggered a moderate to severe allergic reaction.
You do not want to dedicate the time to or pay the expense of having allergy shots.
Are there other reasons you might not want to have allergy shots?
These personal stories may help you make your decision.

Wise Health Decision

Use this worksheet to help you make your decision. After completing it, you should have a better idea of how you feel about having allergy shots. Discuss the worksheet with your doctor.

Circle the answer that best applies to you.

My allergic reactions to insect stings are usually mild. Yes No Unsure
My allergic reactions to insect stings affect my entire leg or arm or the area where I've been stung. Yes No Unsure
My allergic reactions to insect stings spread to areas other than where I have been stung (systemic reaction). Yes No Unsure
I've had hives, swelling in my face or feet, and difficulty breathing with previous insect stings. Yes No Unsure
I have an autoimmune disease (such as lupus or MS) or I'm taking medications for my heart (such as beta-blockers). Yes No Unsure
I was only stung once by a particular insect but had a pretty severe reaction (anaphylaxis). Yes No NA*
I work outdoors or am outdoors a large part of most days. Yes No NA
I am able to carry my allergy kit wherever I go. Yes No NA
I have explained to all of my coworkers (or my child's day care and school) how to help if I (or my child) have a severe allergic reaction to an insect sting. Yes No NA
*NA=Not applicable

Use the following space to list any other important concerns you have about this decision.

What is your overall impression?

Your answers in the above worksheet are meant to give you a general idea of where you stand on this decision. You may have one overriding reason to use or not use allergy shots for allergies to insect stings.

Check the box below that represents your overall impression about your decision.

Leaning toward having immunotherapy (allergy shots)
Leaning toward NOT having immunotherapy (allergy shots)
Return to the topics:

Allergic Reaction.
Allergies to Insect Stings.
References

Citations

Moffitt JE, et al. (2004). Stinging insect hypersensitivity: A practice parameter update. Journal of Allergy and Clinical Immunology, 114(4): 869886.

Golden DB (2003). Stinging insect allergy. In NF Adkinson Jr et al., eds., Middleton's Allergy Principles and Practice, 6th ed., vol. 2, pp. 14751486. Philadelphia: Mosby.

Credits

Author Caroline Rea, RN, BS, MS
Editor Maria G. Essig, MS, ELS
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Pat Truman
Primary Medical Reviewer William M. Green, MD
- Emergency Medicine
Specialist Medical Reviewer Harold S. Nelson, MD
- Allergy and Immunology
Last Updated January 22, 2008
Author:Caroline Rea, RN, BS, MS
Medical Review: William M. Green, MD - Emergency Medicine
Harold S. Nelson, MD - Allergy and Immunology
Last Updated: 01/22/2008
© 1995-2007, Healthwise, Incorporated, P.O. Box 1989, Boise, ID 83701. ALL RIGHTS RESERVED.

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information. For more information, click here. Privacy Policy. How this information was developed.

ADDITIONAL INFORMATION

Should I take allergy shots (immunotherapy) for allergic rhinitis and allergic asthma?
Allergies to Insect Stings - Health Tools

Allergies to Insect Stings - Treatment Overview

Treatment Overview

Key treatment points

For normal reactions to insect stings, medical treatment is usually not needed. An ice pack or cold compress may reduce swelling and pain, along with taking a nonprescription pain reliever, such as acetaminophen.
If you have a large local reaction that spreads around the sting or affects an entire limb, taking an antihistamine can reduce your overall symptoms.
Systemic allergic reactions involve your whole body and are considered a medical emergency. If you have had a severe systemic reaction to an insect sting in the past, carry an allergy kit with you so that, when stung, you can immediately treat yourself with the antihistamine tablet and epinephrine injection from the kit. Always seek emergency care after an epinephrine injectionyour symptoms could reappear or become worse for several hours after the first epinephrine injection.
If your systemic reaction gets worse, you may develop anaphylaxis, which is a life-threatening response to the insect venom. Emergency medical attention is needed. Call 911 or seek immediate treatment in a hospital emergency room. Medicines will be given to reduce swelling, open your airway to help you breathe, and stabilize your blood pressure.
Allergies to insect stings are treated by avoiding the insects that cause the allergy, treating mild cases with medicines such as antihistamines, and understanding how and when to use an allergy kit for serious reactions.

RELATED ARTICLES
Allergies to Insect Stings - Home Treatment
Allergies to Insect Stings - Topic Overview
» MORE TREATMENT ARTICLES
Special care must be taken with children who have insect sting allergies. A child with a severe allergy may have life-threatening anaphylactic reactions to even tiny amounts of venom from the insect. Your child should always wear a medical alert bracelet and carry an allergy kit. Children at risk for severe allergic reactions should keep allergy kits at school or day care as well as at home. Make sure that all caregiverssuch as school administrators, teachers, friends, and coachesknow about the insect sting allergy, where the allergy kit is kept, and how and when to give the epinephrine injection. Also, make sure they have a plan to transport your child to the hospital. Older, mature children should be taught to give self-injections.

Immediate treatment for an allergic reaction to an insect sting depends on the type and severity of your symptoms.

Normal reaction to insect stings

For the normal reaction that most people have to a sting, medical treatment is usually not needed. An ice pack or a cold compress and nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin or ibuprofen may relieve some of the swelling and pain, nonprescription pain relievers such as acetaminophen (for example, Tylenol) may reduce pain, and oral antihistamines such as diphenhydramine (for example, Benadryl) can reduce itching.

Large localized allergic reaction

Treatment for large local allergic reactions usually consists of:

Cold compresses or ice packs, to reduce swelling and local pain.
Elevating the limb (if this is where the sting occurred), to reduce swelling.
Nonsteroidal anti-inflammatory drugs (NSAIDs), to reduce swelling and pain.
Nonprescription pain relievers such as acetaminophen, to reduce pain.
Antihistamines, which can reduce overall symptoms.
Anesthetic creams or ointments, which may reduce pain and itching.
Corticosteroids (such as prednisone), which can reduce swelling and pain. (The use of corticosteroids to treat local allergic reactions is controversial.)
Systemic allergic reactions

Systemic (whole-body) allergic reactions to a sting are considered a medical emergency. Immediate treatment is needed and may include:

An injection of epinephrine.
An antihistamine, which may be given along with the injection of epinephrine.
Oral or intravenous (IV) corticosteroids.
How do I give myself an epinephrine injection?
How do I give my child an epinephrine injection?
Treatment for anaphylaxisthe most severe systemic allergic reaction, one that can be life-threateningis designed to keep your airway open and relieve other breathing or heart problems that can occur, especially if there are signs of shock. In addition to epinephrine and an antihistamine, treatment for anaphylaxis may include:

Bronchodilators, to reduce breathing difficulties.
Corticosteroids (such as prednisone), to help decrease inflammation.
Intravenous (IV) fluids, to stabilize blood pressure.
If anaphylaxis is prolonged, medicines to stabilize blood pressure and other measures to help with breathingsuch as oxygen, intubation, and possibly a ventilatormay be needed.

If you had anaphylaxis, you will normally need to stay in the hospital for 8 to 12 hours before being released. Symptoms of anaphylaxis can recur after several hours, so you may need additional medicine or treatment.

Long-term treatment

If testing and examinations confirm that you are allergic to insect stings, long-term treatment usually includes:

Avoiding or preventing stinging insects. You can reduce your chances of being stung by avoiding areas where insects nest; wearing shoes, long sleeves, and long pants when you are outdoors; and not wearing perfume or scented lotions.
Carrying an allergy kit. The kit contains emergency medication, including antihistamine tablets and an epinephrine injection that you can immediately self-administer if you are stung. Talk with your doctor about how to store your kit and when and how to give yourself the injection.
Wearing a medical alert bracelet or medallion. At most pharmacies or on the Internet, you can purchase a medical alert bracelet or other jewelry that lists your insect sting allergies. Medical alert jewelry quickly alerts emergency response workers to your allergy. This helps them provide immediate and appropriate treatment.
How do I give myself an epinephrine injection?
How do I give my child an epinephrine injection?
If you have a history of systemic allergic reactions, you may consider treatment with a series of shots (immunotherapy) to reduce your sensitivity to the stinging insect's venom and lower your risk of a severe reaction. Immunotherapy is usually not needed for adults or children who have only a large local reaction to a sting. But anyone who experiences increasingly severe large local reactions with each new sting may want to consider immunotherapy. Talk with your doctor or allergy specialist to see whether immunotherapy is appropriate for you.

Should I have allergy shots (immunotherapy) for allergies to insect stings?
Author: Caroline Rea, RN, BS, MS
Medical Review: William M. Green, MD - Emergency Medicine
Harold S. Nelson, MD - Allergy and Immunology
Last Updated: 01/22/2008
© 1995-2007, Healthwise, Incorporated, P.O. Box 1989, Boise, ID 83701. ALL RIGHTS RESERVED.

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information. For more information, click here. Privacy Policy. How this information was developed.

ADDITIONAL INFORMATION

Immunotherapy for allergies to insect stings
Should I have allergy shots for allergies to insect stings?

Should I take allergy shots (immunotherapy) for allergic rhinitis and allergic asthma?

Introduction

This information will help you understand your choices, whether you share in the decision-making process or rely on your doctor's recommendation.

RELATED ARTICLES
Allergy shots (immunotherapy) for allergic rhinitis
Allergic Rhinitis
» MORE TREATMENT ARTICLES
Key points in making your decision

There is no cure for allergic rhinitis or allergic asthma. Allergy shots may provide long-term relief of symptoms. Consider the following when making your decision:

Allergy shots will probably help you. They are effective for most people and can reduce symptoms if you are allergic to pollens, animal dander, dust mites, mold, or cockroaches.1 Allergy shots may prevent children with allergic rhinitis from getting asthma.1
You need to take allergy shots for 3 to 5 years.
You cannot be sure how long the shots will be effective after you stop getting them. For allergies to some grasses, shots have been effective for 3 or 4 years.1
Allergy shots work best when you are allergic to just a few allergens that are difficult to avoid.
If you have coronary artery disease, are using beta-blockers, are not able to communicate how the shots are working, are pregnant, or have an impaired immune system, allergy shots are not recommended.
Children may use allergy shots if they have persistent asthma made worse by allergens.
Children younger than 2 should not have allergy shots.
Children ages 3 to 4 may find it difficult to receive many shots over a long period of time. Talk with your doctor.
Your child's asthma needs to be well controlled before he or she gets allergy shots.
Medical Information

What are allergic rhinitis and allergic asthma?

Allergic rhinitis (often called hay fever) occurs when your immune system overreacts to particles in the air that you breatheyou are allergic to them. Your immune system attacks the particles, causing symptoms such as sneezing and a runny nose. The particles are called allergens, which simply means they can cause an allergic reaction.

Asthma is a long-lasting condition that results in difficulty breathing, wheezing, tightness in the chest, and coughing. When allergens such as pollens, dust mites, animal dander, cockroaches, and mold make your symptoms worse, it is known as allergic asthma.

What are the risks of allergic rhinitis and allergic asthma?

Allergic rhinitis can affect your health if you do not treat it. You may get complications such as sinus infections, plugged ears or ear infections, and sinusitis.

If you do not control allergic asthma, it increases your risk of complications from lung and airway infections, such as bronchitis and pneumonia.

What are allergy shots?

When you get allergy shots (immunotherapy), your allergist or doctor injects small doses of substances that you are allergic to (allergens) under your skin. This eventually decreases your reaction to the allergen and, over time, may reduce the symptoms of allergic rhinitis. Allergy shots are available for allergies to:

Pollen (ragweed, grasses, trees).
Dust mites and cockroaches.
Animal dander (dog and cat).
Mold (fungus).
For more specific information about getting allergy shots, see allergy shots for allergic rhinitis or allergy shots for asthma.

For more information, see the topic Allergic Rhinitis, Asthma in Teens and Adults, Asthma in Children, or Allergic Reaction.

Your Information

Your choices are:

Try to eliminate or avoid the allergen.
Continue to take medicine to control your allergy and/or asthma symptoms.
Get allergy shots in addition to taking medicine to control your symptoms.
The decision about whether to have allergy shots takes into account your personal feelings and the medical facts.

Deciding about allergy shots
Reasons to take allergy shots Reasons not to take allergy shots
Allergy shots are effective in treating allergic rhinitis and allergic asthma.1 The shots reduce symptoms in people who are allergic to pollens, animal dander, dust mites, mold, and cockroaches.1
Allergy shots may prevent the development of asthma in children with allergic rhinitis.1
You have tried medicine and have avoided allergens, and you still have severe symptoms.
You have tried medicine but can't deal with the side effects.
You want to treat the cause of your problem, not just the symptoms.
A life-threatening, whole-body reaction (anaphylaxis) to the shots, although rare, is possible.
If you have another medical condition, such as asthma or coronary artery disease (CAD), you are at increased risk for a severe reaction to the shots.
Experts do not know how long allergy shots are effective after you stop getting the shots. For allergies to some grasses, shots have been effective for 3 or 4 years.1
You may need to have shots for 3 to 5 years.
Allergy symptoms do not improve, or do not improve to the same degree, for everyone who uses allergy shots.
You are allergic to many different types of allergens.
Allergy shots are expensive.
You are pregnant.
You believe you can do more to avoid or eliminate allergens.
Your child with allergies is younger than 5.
Are there other reasons you might want to have allergy shots?
Are there other reasons you might not want to have allergy shots?
These personal stories may help you make your decision.

Wise Health Decision

Use this worksheet to help you make your decision. After completing it, you should have a better idea of how you feel about taking allergy shots. Discuss the worksheet with your doctor.

Circle the answer that best applies to you.

Other than my allergy, I am healthy.
Yes No Unsure
I have asthma, but it is under control.
Yes No Unsure
I am taking beta-blockers.
Yes No Unsure
I can do more to avoid or eliminate allergens.
Yes No Unsure
I am pregnant.
Yes No Unsure
I have tried avoiding allergens and using medicine, but nothing has helped.
Yes No Unsure
I understand that allergy shots do not work for everyone.
Yes No Unsure
I understand there is a risk of life-threatening anaphylaxis.
Yes No Unsure
My child with allergies is younger than 5.
Yes No NA*
My child has allergic rhinitis, and I want to reduce his or her risk of developing asthma.
Yes No Unsure
I understand I may need regular shots for 3 to 5 years.
Yes No Unsure
*NA = Not applicable

Use the following space to list any other important concerns you have about this decision.

What is your overall impression?

Your answers in the above worksheet are meant to give you a general idea of where you stand on this decision. You may have one overriding reason to take or not take allergy shots.

Check the box below that represents your overall impression about your decision.

Leaning toward taking allergy shots
Leaning toward NOT taking allergy shots
Return to the topics:

Allergic Reaction
Allergic Rhinitis
Asthma in Teens and Adults
Asthma in Children
Allergy Tests
References

Citations

Joint Task Force on Practice Parameters (2003). Allergen immunotherapy: A practice parameter. Annals of Allergy, Asthma, and Immunology, 90(1, Suppl 1): S1S40.

Credits

Author Debby Golonka, MPH
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Pat Truman, MATC
Primary Medical Reviewer Caroline S. Rhoads, MD
- Internal Medicine
Specialist Medical Reviewer Harold S. Nelson, MD
- Allergy and Immunology
Last Updated August 8, 2007
Medical Review: Caroline S. Rhoads, MD - Internal Medicine
Harold S. Nelson, MD - Allergy and Immunology
Last Updated: August 8, 2007
© 1995-2007, Healthwise, Incorporated, P.O. Box 1989, Boise, ID 83701. ALL RIGHTS RESERVED.

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information. For more information, click here. Privacy Policy. How this information was developed.

ADDITIONAL INFORMATION

Allergic Reaction
Allergy Tests

Sinusitis - Cause

Cause

Sinusitis is most often the result of a viral infection that causes the mucous membrane lining the inside of the nose and the sinuses to become inflamed.

RELATED ARTICLES
Sinusitis - Topic Overview
Sinusitis - Treatment Overview
» MORE CAUSES ARTICLES
The mucous membrane swells when it becomes inflamed, blocking the drainage of fluid from the sinuses into the nose and throat.
Mucus and fluid build up inside the sinuses, causing pressure and pain.
Bacteria are more likely to grow in sinuses that are unable to drain properly. Bacterial infection in the sinuses often causes more inflammation and pain.
While colds usually trigger this process, any factor that causes the mucous membrane to become inflamed may lead to sinusitis. Many people with nasal allergies (allergic rhinitis), for instance, are likely to have recurring or long-term (chronic) sinus infections. Nasal polyps, foreign objects (usually in children), structural problems in the nose such as a deviated septum, and other conditions can also block the nasal passages, increasing the risk of developing sinusitis.

Fungal infections may also cause sinusitis. This is especially true in people with impaired immune systems. Fungal sinusitis tends to be chronic and more difficult to treat than bacterial sinusitis.

More information
Anatomy and physiology of the nasal cavity
Author: Amy Fackler, MA
Debby Golonka, MPH
Medical Review: Renée M. Crichlow, MD - Family Medicine
Martin Gabica, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Charles M. Myer, III, MD - Otolaryngology

Allergy Tests

Test Overview

Allergy testing involves having a skin or blood test to find out what substance, or allergen, may trigger an allergic response in a person. Skin tests are usually done because they are rapid, reliable, and generally less expensive than blood tests, but either type of test may be used.

RELATED ARTICLES
Preparing for Your Allergy Blood Test
» MORE SYMPTOMS ARTICLES
Skin tests

A small amount of a suspected allergen is placed on or below the skin to see if a reaction develops. There are three types of skin tests:

Skin prick test. This test is done by placing a drop of a solution containing a possible allergen on the skin, and a series of scratches or needle pricks allows the solution to enter the skin. If the skin develops a red, raised itchy area (called a wheal), it usually means that the person is allergic to that allergen. This is called a positive reaction.
Intradermal test. During this test, a small amount of the allergen solution is injected into the skin. An intradermal allergy test may be done when a substance does not cause a reaction in the skin prick test but is still suspected as an allergen for that person. The intradermal test is more sensitive than the skin prick test but is more often positive in people who do not have symptoms to that allergen (false-positive test results).
Skin patch test. For a skin patch test, the allergen solution is placed on a pad that is taped to the skin for 24 to 72 hours. This test is used to detect a skin allergy called contact dermatitis.
Blood test

Allergy blood tests look for substances in the blood called antibodies. Blood tests are not as sensitive as skin tests but are often used for people who are not able to have skin tests.

The most common type of blood test used is the enzyme-linked immunosorbent assay (ELISA, EIA). It measures the blood level of a type of antibody (called immunoglobulin E, or IgE) that the body may make in response to certain allergens. IgE levels are often higher in people who have allergies or asthma.

Other lab testing methods, such as radioallergosorbent testing (RAST) or an immunoassay capture test (ImmunoCAP, UniCAP, or Pharmacia CAP), may be used to provide more information.

Your allergy test results may show that allergy treatment is a choice for you. For more information, see:

Should I have allergy shots (immunotherapy) for allergic rhinitis and allergic asthma?
Health Tools

Health tools help you make wise health decisions or take action to improve your health.


Decision Points focus on key medical care decisions that are important to many health problems.
Should I take allergy shots (immunotherapy) for allergic rhinitis and allergic asthma?
Why It Is Done

Allergy testing is done to find out what substances (allergens) cause an allergic reaction.

Skin test

The skin prick test can also be done to:

Identify inhaled (airborne) allergens, such as tree, shrub, and weed pollens, molds, dust, feathers, and pet dander.
Identify likely food allergens (such as eggs, milk, peanuts, nuts, fish, soy, wheat, or shellfish).
Determine whether a person may be allergic to a medicine or insect venom.
Blood test

A blood test on a blood sample may be done instead of a skin prick test if a person:

Has hives or another skin condition, such as eczema, that makes it hard to see the results of skin testing.
Cannot stop taking a medicine, such as an antihistamine or tricyclic antidepressant, that may prevent or reduce a reaction to a substance even when a person is allergic to the substance.
Has had a severe allergic reaction (anaphylaxis).
Has had positive skin tests to many foods. Enzyme-linked immunosorbent assay (ELISA) can find out the foods that a person is most allergic to.
How To Prepare

Many medicines can affect the results of a skin test. Be sure to tell your health professional about all the nonprescription and prescription medicines you take. You may need to stop taking some medicines, such as some tricyclic antidepressants and antihistamines such as cetirizine (Zyrtec), fexofenadine (Allegra), and loratadine (Claritin) before you have an allergy skin test.

Talk to your health professional about any concerns you have regarding the need for the test, its risks, how it will be done, or what the results will show. To help you understand the importance of this test, fill out the medical test information form(What is a PDF document?).

How It Is Done

Skin tests

The health professional doing the skin prick or intradermal test will:

Clean the test site (usually on your back or arm) with alcohol.
Place drops of the possible allergens on your skin about 1 in. (2.5 cm) to 2 in. (5 cm) apart. This allows many substances to be tested at the same time.
Prick the skin under each drop with a needle. The needle passes through the drop and allows some of the allergen to penetrate your skin. For the intradermal test, a needle is used to inject the allergen solution deeper into the skin. See a picture of a skin prick allergy test.
Check the skin after 12 to 15 minutes for red, raised itchy areas called wheals. If a wheal forms, it means you are allergic to that allergen (this is called a positive reaction).
An alternative skin prick method uses a device with 5 to 10 points (heads), which are dipped into bottles that contain the allergen extract. This device is pressed against the skin of the forearm or back so that all heads are pressed into the skin at the same time.

If the skin prick test is negative, you may choose to have an intradermal skin test at a later visit. A skin prick test is usually done first because the intradermal test has a greater chance of causing a severe allergic reaction.

The skin prick test and the intradermal test usually take less than an hour each.

A skin patch test also uses small doses of the suspected allergen. For this test:

Doses of allergens are placed on patches that look like adhesive bandages.
The patches are then placed on the skin (usually on your back). This usually takes about 40 minutes, depending on how many patches are applied. See a picture of a skin patch allergy test.
You will wear the patches for 24 to 72 hours. Do not take a bath or shower or do any activities that could make you sweat excessively while you are wearing the patches. This could loosen the patches and cause them to fall off.
The patches will be removed by your health professional, and your skin will be checked for signs of an allergic reaction.
Blood test

The health professional drawing your blood will:

Wrap an elastic band around your upper arm to stop the flow of blood. This makes the veins below the band larger so it is easier to put a needle into the vein.
Clean the needle site with alcohol.
Put the needle into the vein. More than one needle stick may be needed.
Attach a tube to the needle to fill it with blood.
Remove the band from your arm when enough blood is collected.
Apply a gauze pad or cotton ball over the needle site as the needle is removed.
Apply pressure to the site and then a bandage.
The blood sample will be placed on specially treated paper and sent to a lab to determine whether antibodies to any of the allergens being tested are present. If specific antibodies are detected, it may mean you are allergic to a certain allergen.

How It Feels

Skin tests

With the skin prick test and the intradermal skin test, you may feel a slight pricking sensation when the skin beneath each sample is pricked or when the needle penetrates your skin.

If you have an allergic reaction from any of the skin tests, you may have some itching, tenderness, and swelling where the allergen solutions were placed on the skin. After the testing is done, cool cloths or a nonprescription steroid cream can be used to relieve the itching and swelling.

If you are having a skin patch test and you have severe itching or pain under any of the patches, remove the patches and call your health professional.

Blood test

You may feel nothing at all from the needle puncture, or you may feel a brief sting or pinch as the needle goes through the skin. Some people feel a stinging pain while the needle is in the vein. But many people do not feel any pain or have only minor discomfort after the needle is positioned in the vein.

Risks

Skin tests

The major risk with the skin prick test or the intradermal skin test is a severe allergic reaction called anaphylaxis. Symptoms of a severe allergic reaction include itching, wheezing, swelling of the face or entire body, difficulty breathing, and low blood pressure that can lead to shock. An anaphylactic reaction can be life-threatening and is a medical emergency. Emergency care is always needed for an anaphylactic reaction. But severe allergic reaction is rare, especially with the skin prick test.

If you are having a skin patch test and you have severe itching or pain under any of the patches, remove the patches and call your health professional.

Blood test

There is very little risk of a problem from having blood drawn from a vein.

You may develop a small bruise at the puncture site. You can reduce the risk of bruising by keeping pressure on the site for several minutes after the needle is withdrawn.
In rare cases, the vein may become inflamed after the blood sample is taken. This condition is called phlebitis and is usually treated with a warm compress applied several times daily.
Continued bleeding can be a problem for people with bleeding disorders. Aspirin, warfarin (Coumadin) and other blood-thinning medicines can also make bleeding more likely. If you have bleeding or clotting problems, or if you take blood-thinning medicine, tell your health professional before your blood is drawn.
Results

A skin or blood test can tell you what substance, or allergen, may trigger an allergic response.

Skin tests

Skin tests work by exposing a person to suspected allergens and seeing if a reaction occurs. The results of the skin tests will be available immediately after testing is done.

Allergy skin tests
Normal (negative):

No raised red areas (called wheals) are created by the allergen.
Abnormal (positive):

A wheal created by the allergen is at least 1/8 inch (3 mm) larger than the reaction to the negative control. The larger the wheal, the more certain it is that the person is allergic to that specific allergen. See a picture of a positive patch test reaction.
Blood tests

Allergy blood tests look for substances in the blood called antibodies. Results of allergy blood tests are usually available in about 7 days.

Allergy blood tests
Normal (negative):

The levels of immunoglobulin E (IgE), a type of antibody, are the same as in a person who does not have allergies.
Abnormal (positive):

The levels of immunoglobulin E (IgE) antibodies for a particular allergen or group of allergens are 4 times the normal level.
What Affects the Test

Reasons you may not be able to have a skin test or why the results may not be helpful include:

Exercise that causes excessive sweating.
Getting a skin patch wet.
Taking medicines such as antihistamines or tricyclic antidepressants.
What To Think About

You may not need allergy testing if you have mild allergies that are easily controlled with medicine or lifestyle changes.
Skin tests:
Are the easiest and least expensive method for identifying allergies in most people.
Are more reliable than blood tests for identifying common inhaled (airborne) allergies, such as pollens, dust, mold, and pet dander.
Cannot tell whether a person is reacting to a certain food. Further testing (such as an elimination diet) may be needed to identify this.
Can be unpleasant for children and their parents.
May take as long as 3 to 4 hours.
Allergy blood tests:
Are less sensitive than skin tests. Therefore, it is possible for people to have a positive reaction to a skin test but have a negative reaction to a blood test.
Are not affected by antihistamines or tricyclic antidepressants, so people do not need to stop taking these medicines while being tested.
May be a good choice if you have very sensitive skin or a skin problem, such as eczema, that would make it hard to see whether you have a reaction to a skin test.
Will not cause an allergic reaction. They may be used if you have had a serious allergic reaction in the past.
Cost more than skin tests.
You may need to be tested for a latex allergy before having a major surgery if you have had frequent exposure to latex. Allergy blood tests are used for this. If you have a latex allergy, latex products should not be used during your surgery or recovery.
Other blood tests, such as fluoro-allergosorbent testing (FAST), multiple antigen simultaneous testing (MAST), and radioallergosorbent testing (RAST), are sometimes used to check for allergens.
References

Other Works Consulted

Chernecky CC, Berger BJ, eds. (2004). Laboratory Tests and Diagnostic Procedures, 4th ed. Philadelphia: Saunders.
Fischbach FT, Dunning MB III, eds. (2004). Manual of Laboratory and Diagnostic Tests, 7th ed. Philadelphia: Lippincott Williams and Wilkins.
Handbook of Diagnostic Tests (2003). 3rd ed. Philadelphia: Lippincott Williams and Wilkins.
Pagana KD, Pagana TJ (2006). Mosbys Manual of Diagnostic and Laboratory Tests, 3rd ed. St. Louis: Mosby.
Credits

Author Debby Golonka, MPH
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Pat Truman
Primary Medical Reviewer Caroline S. Rhoads, MD
- Internal Medicine
Specialist Medical Reviewer Harold S. Nelson, MD
- Allergy and Immunology
Last Updated August 8, 2007
Author: Debby Golonka, MPH
Medical Review: Caroline S. Rhoads, MD - Internal Medicine
Harold S. Nelson, MD - Allergy and Immunology
Last Updated: 08/08/2007
© 1995-2007, Healthwise, Incorporated, P.O. Box 1989, Boise, ID 83701. ALL RIGHTS RESERVED.

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Food Allergies - Exams and Tests
Drug Allergies - Exams and Tests

Aspirin allergy: What are the symptoms?

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Q:I think I may have an aspirin allergy. What are the symptoms?
A:
It's possible to have a sensitivity to aspirin. In fact, aspirin can cause a severe asthma attack  especially in people who have asthma or sinus problems. Reactions to aspirin are often related to the drug itself, however, rather than to an allergic or immunological response to the drug.

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Signs and symptoms of aspirin sensitivity  which usually occur within a few hours of taking the medication  range from mild to serious and may include:

Hives
Itchy skin
Runny nose
Swelling of the lips, tongue or face
Coughing, wheezing or shortness of breath
If you've had a reaction to aspirin, avoid all forms of aspirin. It's also best to avoid other nonsteroidal anti-inflammatory drugs (NSAIDs) as well, including ibuprofen (Advil, Motrin, others) and naproxen (Aleve, others). Keep in mind that aspirin and other NSAIDs are found in many over-the-counter medications  so check labels carefully.

If you think you might have an aspirin sensitivity, consult your doctor or allergist for advice. Rarely, aspirin can cause a life-threatening reaction.

Last Updated: 11/05/2008
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ADDITIONAL INFORMATION

Aspirin/ chlorpheniramine/ dextromethorphan/ phenylpropanolamine
Aspirin/ diphenhydramine/ phenylpropanolamine