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The International Classification of Headache Disorders ( ICHD) is a detailed hierarchical classification of all headache -related disorders published by the International Headache Society. [ 1] It is considered the official classification of headaches by the World Health Organization, and, in 1992, was incorporated into the 10th edition of ...
Postherpetic neuralgia (PHN) is neuropathic pain that occurs due to damage to a peripheral nerve caused by the reactivation of the varicella zoster virus ( herpes zoster, also known as shingles). Typically, the nerve pain (neuralgia) is confined to an area of skin innervated by a single sensory nerve, which is known as a dermatome.
Chronic paroxysmal hemicrania. Chronic paroxysmal hemicrania ( CPH) is a severe debilitating unilateral headache usually affecting the area around the eye. It normally consists of multiple severe, yet short, headache attacks affecting only one side of the cranium. Retrospective surveys indicated that paroxysmal hemicrania was more common in ...
Hemicrania continua. Hemicrania continua ( HC) is a persistent unilateral headache that responds to indomethacin. It is usually unremitting, but rare cases of remission have been documented. [ 1] Hemicrania continua is considered a primary headache disorder, meaning that another condition does not cause it.
Cervicocranial syndrome or ( craniocervical junction syndrome, CCJ syndrome) is a combination of symptoms that are caused by an abnormality in the cervical vertebrae leading to improper function of cervical spinal nerves. Cervicocranial syndrome is either congenital or acquired. Some examples of diseases that could result in cervicocranial ...
320.4 * Tuberculous meningitis ( 013.0 †) 320.5 * Meningococcal meningitis ( 036.0 †) 320.7 * Meningitis in other bacterial diseases classified elsewhere. 320.8 Meningitis due to other specified bacteria. 320.9 Meningitis due to unspecified bacterium. 321 * Meningitis due to other organisms.
Trigeminal autonomic cephalgia. Trigeminal autonomic cephalalgia (TAC) refers to a group of primary headaches that occurs with pain on one side of the head in the trigeminal nerve area and symptoms in autonomic systems on the same side, such as eye watering and redness or drooping eyelids. [ 1][ 2]
Orofacial pain ( OFP) is a general term covering any pain which is felt in the mouth, jaws and the face. Orofacial pain is a common symptom, and there are many causes. [ 1][ 2] Orofacial pain is the specialty of dentistry that encompasses the diagnosis, management and treatment of pain disorders of the jaw, mouth, face and associated regions.