In-depth

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Tests and diagnosis

Allergy skin tests

Itching, sneezing and swelling: Find out what's causing your allergy symptoms.

Upper endoscopy

Find out what to expect during your endoscopy exam.

Sep. 15, 2011