Causes Of Anaphylaxis

What We Know

No one really knows why certain people have severe allergies. But there are some known triggers. The first line of defense against an anaphylactic reaction is to always avoid your allergens.

Common Causes

Foods Peanuts | Tree nuts | Fish | Shellfish | Milk | Eggs |
Wheat | Soy
Drugs Penicillin | Over‑the‑counter medicines | Muscle relaxants | ACE inhibitors
Insect Stings Bees | Yellow jackets | Wasps | Hornets | Fire ants
Latex Gloves | Balloons | Elastic bands
Exercise Vigorous activities such as jogging, tennis, and bicycling

For kids and young adults, the most common cause is food. Surprisingly, there are a large number of anaphylactic reactions reported where the cause can't be identified.

How Do You Know if You're at Risk?

Some people seem to be more at risk for anaphylaxis than others. No one knows exactly why this is the case. Three things that may increase your risk:

A history of severe allergic reactions A history of personal or family allergies or asthma Family history of exercise-induced anaphylaxis increases your risk of developing the same kind


Auvi‑Q® (epinephrine injection, USP) is used to treat life‑threatening allergic reactions (anaphylaxis) in people who are at risk for or have a history of these reactions.

Important Safety Information

Auvi‑Q is for immediate self (or caregiver) administration and does not take the place of emergency medical care. Seek immediate medical treatment after use. Each Auvi‑Q contains a single dose of epinephrine. Auvi‑Q should only be injected into your outer thigh. DO NOT INJECT INTO BUTTOCK OR INTRAVENOUSLY. If you accidentally inject Auvi‑Q into any other part of your body, seek immediate medical treatment. Epinephrine should be used with caution if you have heart disease or are taking certain medicines that can cause heart‑related (cardiac) symptoms.

If you take certain medicines, you may develop serious life-threatening side effects from epinephrine. Be sure to tell your doctor all the medicines you take, especially medicines for asthma. Side effects may be increased in patients with certain medical conditions, or who take certain medicines. These include asthma, allergies, depression, thyroid disease, Parkinson’s disease, diabetes, high blood pressure, and heart disease.

The most common side effects may include increase in heart rate, stronger or irregular heartbeat, sweating, nausea and vomiting, difficulty breathing, paleness, dizziness, weakness or shakiness, headache, apprehension, nervousness, or anxiety. These side effects go away quickly, especially if you rest.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit or call 1‑800‑FDA‑1088.

Please click here for full Prescribing Information.

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The health information contained herein is provided for general educational purposes only. Your healthcare professional is the single best source of information
regarding your health. Please consult your healthcare professional if you have any questions about your health or treatment.

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