What is anaphylaxis? Anaphylaxis is a life-threatening allergic reaction that must be treated immediately. Your risk for anaphylaxis increases if you have asthma that is severe or not controlled. Medical conditions such as heart disease can also increase your risk. It is important to be prepared if you are at risk for anaphylaxis. Your symptoms can be worse each time you are exposed to the trigger.

What may trigger anaphylaxis? The following are some of the most common triggers:

What are the signs and symptoms of anaphylaxis? You may have any of the following within seconds to hours after exposure to a trigger:

How is anaphylaxis diagnosed? Your healthcare provider will examine you for signs of anaphylaxis. He will ask if you have a history of allergies. He will also ask about exposure to possible triggers and when they occurred. Tell him if you take medicines or have any health conditions.

How is anaphylaxis treated?

What steps do I need to take for signs or symptoms of anaphylaxis?

What safety precautions do I need to take?

Call 911 for any of the following:

When should I seek immediate care?

When should I contact my healthcare provider?


You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your caregivers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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