In-depth

Complications

Dysphagia

Prevention

Childhood vaccines

Vaccines for adults

Symptoms

Fatigue

Headache

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

Shortness of breath

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tests and diagnosis

Chest X-rays

March 14, 2015