Profiles Index

Eosinophilic Esophagitis and Other Forms of Eosinophilic Enteropathy
Learn the basics about eosinophilic esophagitis and other forms of eosinophilic enteropathy: signs, symptoms, what to expect at the doctor's office, and resources for coping with restricted diets.

Prick Tests
Describes the method and purpose of a prick test or scratch test. A prick test is often used by allergists when a patient has clear allergy symptoms but is not certain which food is causing those symptoms (or whether the symptoms are caused by a food at all). They are often used when patients have hives, eczema, or hay fever symptoms.

Eczema and Food Allergies
Can food allergies affect eczema? Find out about eczema, food allergies, and what to expect at your doctor's office.

Asthma and Food Allergies
The link between asthma and food allergies, and what patients with asthma or food allergies can do to keep both conditions well-controlled.

Hives (Urticaria) and Food Allergies
Hives are a common food allergy symptom. Learn how to recognize hives, common causes of hives, and when to call a doctor.

Elimination Diets -- Exclusion Diets
All about elimination diets (exclusion diets): how exclusion diets are used to diagnose allergies, how elimination diets work, and different types of elimination diets (like few foods diets and rare foods diets).

Double-Blind Placebo-Controlled Food Challenge
The gold standard for allergy diagnosis is the double-blind placebo-controlled food challenge, a form of oral food challenge. Find out how double-blind placebo-controlled food challenges work and why your doctor might recommend this test.

RAST Test
A RAST test, or radioallergosorbent test, is a type of blood test used to diagnose allergies. Learn how a RAST test works and what to expect at the doctor's office.