In-depth

Complications

Anxiety

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.

Insomnia

Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.

Risk factors

High blood pressure (hypertension)

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Edema

Nausea and vomiting

May 20, 2014