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  2. 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 their ...

  3. Migraine-associated vertigo - Wikipedia

    en.wikipedia.org/wiki/Migraine-associated_vertigo

    Vertigo is a medically recognized term for the symptom of a vestibular system disturbance. It may include a feeling of rotation or illusory sensations of motion or both. The general term dizziness is used by nonmedical people for those symptoms but often refers to a feeling of light-headedness, giddiness, drowsiness, or faintness, all of which must be differentiated from true vertigo, [3 ...

  4. Post-concussion syndrome - Wikipedia

    en.wikipedia.org/wiki/Post-concussion_syndrome

    Headache and dizziness occur immediately after the injury, but also can be long lasting. [13] The condition is associated with a wide range of non-specific symptoms: physical, such as headache; cognitive, such as difficulty concentrating; and emotional and behavioral, such as irritability. Many of the symptoms associated with PCS are common or ...

  5. Dizziness - Wikipedia

    en.wikipedia.org/wiki/Dizziness

    Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [5] Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find vertigo very disturbing and often report associated nausea and vomiting. [6]

  6. Vertigo - Wikipedia

    en.wikipedia.org/wiki/Vertigo

    Dizziness affects approximately 20–40% of people at some point in time, while about 7.5–10% have vertigo. [3] About 5% have vertigo in a given year. [10] It becomes more common with age and affects women two to three times more often than men. [10] Vertigo accounts for about 2–3% of emergency department visits in the developed world. [10]

  7. Hemicrania continua - Wikipedia

    en.wikipedia.org/wiki/Hemicrania_continua

    In hemicrania continua, basal pain is a dull aching pressure similar to that of TTHs (Tension-Type Headaches) that occurs nearly always on the same side of the head and face. Pain ranges from mild to severe and is characterized by fluctuations that increase in intensity up to three to five times per 24-hour cycle.

  8. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    A headache, also known as cephalalgia, is the symptom of pain in the face, head, or neck. It can occur as a migraine, tension-type headache, or cluster headache. [1] [2] There is an increased risk of depression in those with severe headaches. [3] Headaches can occur as a result of many conditions.

  9. Cerebrospinal fluid leak - Wikipedia

    en.wikipedia.org/wiki/Cerebrospinal_fluid_leak

    Any CSF leak is most often characterized by orthostatic headaches, which worsen when standing, and improve when lying down. Other symptoms can include neck pain or stiffness, nausea, vomiting, dizziness, fatigue, and a metallic taste in the mouth. A CT myelography scan can identify the site of a cerebrospinal fluid leakage.