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Symptoms of Allergies and Allergic Reactions

How do you know if you are suffering from allergies? And if you are, what do your symptoms tell you about your allergy? This guide will help you find out.

Allergy Basics

Get the Facts on Allergies

Allergy symptoms negatively affect many patients’ quality of life. Find out the basics on what happens to your body when confronted with an allergen.
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Allergy Symptom Checker

Find Out What's Ailing You

Symptom Checker
Check symptoms that you or a loved one are experiencing by clicking on the affected area of the body. Get personalized results.
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Allergy Symptoms: Skin

Quiz - Do you know your allergy symptoms?

Sneezing and itchy, watery eyes in the late summer and fall are often caused by allergies to ragweed pollen.

Itchy Throat? Find Out What It Is

Itchy Throat? It's Called Oral Allergy Syndrome

red apples
Oral allergy syndrome is an allergic reaction to the proteins in many fruits, vegetables and nuts that are similar to the proteins in the pollen. It’s called a “cross reaction.”
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Allergic Reactions

Allergic Reaction And Anaphylaxis

Allergic reactions can range from very mild to life-threatening events, called anaphylaxis. Find out about symptoms, prevention and treatment here.
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