In-depth

Complications

Dysphagia

Difficulty swallowing can be painful and may indicate a serious medical problem.

Symptoms

Nausea and vomiting

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

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Treatments and drugs

Cognitive behavioral therapy

Cognitive behavioral therapy is one of the most common types of psychotherapy. It focuses on specific issues and goals to improve your life.

Psychotherapy

Psychotherapy is one way to treat many mental illnesses. See how therapy is used and which type may be best for you.

Apr. 21, 2011