Headache

Headache

A headache or cephalalgia is pain anywhere in the region of the head or neck. It can be a symptom of a number of different conditions of the head and neck. Headaches can result from a wide range of causes both benign and more serious. Brain tissue itself is not sensitive to pain as it lacks pain receptors. Rather, the pain is caused by disturbance of the pain-sensitive structures around the brain. Nine areas of the head and neck have these pain-sensitive structures,...

... more on Wikipedia

Headache is also found on...

List of Common Diseases: Most Common Illnesses Symptoms of Dengue Fever Symptoms of Anemia Symptoms of Cushing's Syndrome Symptoms of Typhoid Fever Symptoms of Lyme Disease Diseases Caused by Obesity Symptoms of Astigmatism Symptoms of Brain Tumor Symptoms of Leukemia Symptoms of AIDS Symptoms of Crohn's Disease Symptoms of Strep Throat Symptoms of Sinusitis Symptoms of Syphilis Symptoms of Cellulitis Symptoms of Vasculitis Symptoms of Herpes Simplex Symptoms of Acromegaly Symptoms of Meningitis Symptoms of Inflammatory Heart Disease Symptoms of Bell's Palsy Symptoms of Somatization Disorder Symptoms of Tonsillitis Symptoms of Paget's Disease Of Bone Symptoms of Cerebral Edema Symptoms of Encephalitis Symptoms of Anorexia Nervosa Symptoms of Herpes Genitalis Symptoms of Pre-eclampsia Symptoms of Neurofibromatosis