In-depth

Complications

Gangrene

Gangrene is tissue death that occurs in a part of your body, most often in the hands and feet. It's usually caused by an interruption in blood flow.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Nausea and vomiting

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

Rectal bleeding

Finding blood in your stool can be alarming. While the cause of rectal bleeding often isn't serious, see a doctor to have this symptom evaluated.

Mar. 26, 2013