In-depth

Complications

Dehydration

You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

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

Colonoscopy

Has your doctor recommended a colonoscopy? Here's what you need to know about preparation and the exam itself.

Flexible sigmoidoscopy

Has your doctor recommended a flexible sigmoidoscopy exam? Here's what you need to know about preparation and the exam itself.

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Dec. 05, 2012