Symptoms and Signs
Causes and Diseases
Tell a Friend
HeadacheHeadache is the feeling of sharp pain or pressure in the head or neck, sometimes accompanied by nausea, neck aches, and muscle pain. The most common type of headache is a tension headache. Some experience headaches when dehydrated, or suffering from caffeine withdrawal symptoms.
The other common type of headache is migraine. Migraine headaches are usually characterized by severe pain on one or both sides of the head, an upset stomach, and, at times, disturbed vision. After migraine, another common type of headache is the "toxic" headache produced by fever. Like other types of pain, headaches can serve as warning signals of more serious disorders.
The common causes of headache are:
Rare Causes of headache are: