In-depth

Complications

Dysphagia

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

Symptoms

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.

Mar. 13, 2014