Headache

A headache (medically known as cephalalgia) is a condition of mild to severe pain in the head; sometimes upper back or neck pain may also be interpreted as a headache. Headache is the second-most common form of local pain. (The most common is molar pain, i.e. toothache in one or more of the flat-crowned teeth used for grinding food.)

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Headaches have a wide variety of causes, ranging from eyestrain to inflammation of the sinus cavities to life-threatening conditions such as encephalitis, brain cancer, meningitis, and cerebral aneurysms. When the headache occurs in conjunction with a head injury the cause is usually quite evident; however, many causes of headaches are more elusive. The most common type of headache is a tension headache. Some people experience headaches when they are hungry or dehydrated (severe dehydration is the cause of the headache during a hangover, since alcohol is a diuretic).

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It is common to take over-the-counter painkillers such as aspirin, paracetamol or ibuprofen to relieve headaches. However, when taken too frequently, painkiller medications may actually cause headaches.

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Sinus: A sinus is a pouch or cavity in any organ or tissue, or an abnormal cavity or passage caused by the destruction of tissue. The term is applied to a large number and variety of structures in the human body, such as:-...

Encephalitis: Encephalitis is an acute inflammation of the brain, commonly caused by a viral infection. Sometimes, encephalitis can result from a bacterial infection, such as bacterial meningitis, or it may be a complication of other infectious diseases like rabies (viral) or syphilis (bacterial). Certain parasit...

Brain cancer: REDIRECT Brain tumor...

Headache related Images and Photos (experimental)

Headache Game