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  2. Cluster headache - Wikipedia

    en.wikipedia.org/wiki/Cluster_headache

    Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). [1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [1] These symptoms typically last 15 minutes to 3 hours. [2]

  3. Trochleitis - Wikipedia

    en.wikipedia.org/wiki/Trochleitis

    Trochleitis is inflammation of the superior oblique tendon trochlea apparatus characterized by localized swelling, tenderness, and severe pain. This condition is an uncommon but treatable cause of periorbital pain. The trochlea is a ring-like apparatus of cartilage through which passes the tendon of the superior oblique muscle.

  4. Occipital neuralgia - Wikipedia

    en.wikipedia.org/wiki/Occipital_neuralgia

    Patients presenting with a headache originating at the posterior skull base should be evaluated for ON. This condition typically presents as a paroxysmal, lancinating or stabbing pain lasting from seconds to minutes, and therefore a continuous, aching pain likely indicates a different diagnosis. Bilateral symptoms are present in one-third of cases.

  5. Harlequin syndrome - Wikipedia

    en.wikipedia.org/wiki/Harlequin_syndrome

    Since Harlequin syndrome is associated with a dysfunction in the autonomic nervous system, main symptoms of this dysfunction are in the following: Absence of sweat and flushing on one side of the face, neck, or upper thoracic area. In addition, other symptoms include cluster headaches, tearing of the eyes, nasal discharge, abnormal contraction ...

  6. Trigeminal neuralgia - Wikipedia

    en.wikipedia.org/wiki/Trigeminal_neuralgia

    This normally indicates problems with both trigeminal nerves, since one nerve serves the left side of the face and the other serves the right side. Occasional reports of bilateral trigeminal neuralgia reflect successive episodes of unilateral (only one side) pain switching the side of the face rather than pain occurring simultaneously on both ...

  7. Tolosa–Hunt syndrome - Wikipedia

    en.wikipedia.org/wiki/Tolosa–Hunt_syndrome

    Tolosa–Hunt syndrome is a rare disorder characterized by severe and unilateral headaches with orbital pain, along with weakness and paralysis (ophthalmoplegia) of certain eye muscles (extraocular palsies). [1] In 2004, the International Headache Society provided a definition of the diagnostic criteria which included granuloma. [2]

  8. SUNCT syndrome - Wikipedia

    en.wikipedia.org/wiki/SUNCT_syndrome

    SUNCT often accompanies cranial autonomic symptoms, including lacrimation (tear flow), ipsilateral ptosis (drooping of the eyelid which is on the same side as the attacks), eyelid edema (swelling due to fluid accumulation), nasal blockage, and conjunctival injection (redness of eye). Depending on which division of the trigeminal nerve ...

  9. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    located on one or both sides of the head located one side of head focused at eye or temple: located on one or both sides of head consistent pain pain describable as sharp or stabbing pulsating or throbbing pain no nausea or vomiting nausea, perhaps with vomiting no aura: no aura auras uncommonly, light sensitivity or noise sensitivity