What is a headache?
A headache is defined as a pain arising from the head or upper neck of the body. The pain originates from the tissues and structures that surround the skull or the brain because the brain itself has no nerves that give rise to the sensation of pain (pain fibres). The thin layer of tissue (periosteum) that surrounds bones, muscles that encase the skull, sinuses, eyes, and ears, as well as thin tissues that cover the surface of the brain and spinal cord (meninges), arteries, veins, and nerves, all can become inflamed or irritated and cause headache. The pain may be a dull ache, sharp, throbbing, constant, intermittent, mild, or intense.
17 types of headaches
The different types of headaches depend upon the class to which they belong. Some common types include:
- Primary tension headaches that are episodic
- Primary tension headaches that are chronic
- Primary muscle contraction headaches
- Primary migraine headaches with aura
- Primary migraine headaches without aura
- Primary cluster headache
- Primary paroxysmal hemicrania (a type of a cluster headache)
- A primary cough headache
- Primary stabbing headache
- A primary headache associated with sexual intercourse
- Primary thunderclap headache
- A hypnic headache (headaches that awaken a person from sleep)
- Hemicrania continua (headaches that are persistently on one side only. right or left [unilateral])
- New daily-persistent headache (NDPH) (a type of a chronic headache)
- A headache from exertion
- Trigeminal neuralgia and other cranial nerve inflammation
- Secondary headaches due to:
- Trauma
- Disorders
- Infection
- Structural problems with the bones of the face, teeth, eyes, ears, nose, sinuses or other structures
- Substance abuse or withdrawal
Your headache symptoms can help your doctor determine its cause and the appropriate treatment. Most headaches aren't the result of a serious illness, but some may result from a life-threatening condition requiring emergency care.
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