Allergies Overviewverview & Facts
When you have allergies, it means your immune system reacts to something that’s usually harmless.
Symptoms & Types
Learn the types of allergies including food allergies, seasonal allergies, pet allergies, and many more.
Diagnosis & Tests
To pinpoint the allergy problem — and determine the treatment – your doctor will ask questions about your symptoms and habits. You’ll also need various tests.
Treatment & Care
You can treat allergy symptoms with over-the-counter and prescription medications, as well as allergy shots. Lifestyle changes like using air filters and avoiding triggers are important, too.You can treat allergy symptoms with over-the-counter and prescription medications, as well as allergy shots. Lifestyle changes like using air filters and avoiding triggers are important, too.
Will This Trigger My Food Allergy?
If you eat something you’re allergic to, your symptoms will probably start pretty quickly. It could take just a few minutes to 2 hours. You could have:
Hives or another skin rash
Tingling or itching in your mouth
Swelling of your face, tongue, or lips
Coughing or wheezing
Vomiting, diarrhea, or belly
