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160 Possible Causes for Severe Unilateral Headaches

  • Upper Respiratory Infection

    Occasionally, patients with acute bacterial sinusitis present with severe symptoms, especially unilateral facial pain, even when symptoms have not lasted at least 7 days.[emedicine.medscape.com] ), headache, and purulent nasal secretions.[emedicine.medscape.com] However, the classic triad of fever, headache, and facial pain occurs uncommonly in adults with bacterial sinusitis; in children with bacterial sinusitis, nasal discharge[emedicine.medscape.com]

  • Paroxysmal Hemicrania

    Chronic paroxysmal hemicrania and cluster headache are both characterized by recurrent, severe, unilateral headaches accompanied by symptoms and signs of autonomic dysfunction[ncbi.nlm.nih.gov] The patient was admitted because of frequent episodes of severe unilateral headaches during the day and nighttime as well as agitation.[ncbi.nlm.nih.gov] The patient suffered from frequent episodes of severe unilateral headaches for 1 year and 10 months before the diagnosis of chronic paroxysmal hemicrania was established.[ncbi.nlm.nih.gov]

  • Goiter

    A 63-year-old woman presented with severe, daily occurring, unilateral headache attacks with ipsilateral Horner's syndrome.[ncbi.nlm.nih.gov] Though thyroid growths are considered to be a frequent cause of Horner's syndrome, concurrent headache attacks are not commonly seen.[ncbi.nlm.nih.gov]

  • Trigeminal Autonomic Cephalalgia

    TACs are a rare group of headache disorders characterized by severe unilateral headache in the V1 distribution of the trigeminal nerve and autonomic symptoms.[ncbi.nlm.nih.gov] The TACs are a group of primary headache disorders characterized by short-lasting episodes of severe unilateral headaches that are associated with ipsilateral cranial autonomic[journals.lww.com] HC is a continuous, unilateral, moderate level side-locked headache with severe exacerbations of variable duration manifesting at least one ipsilateral cranial autonomic symptom[neurology.org]

  • Cluster Headache

    Abstract Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation[ncbi.nlm.nih.gov] Abstract BACKGROUND: Cluster headache (CH) is the most common of the trigeminal autonomic cephalalgias (TAC), presenting with excruciatingly severe, short-lasting, unilateral[ncbi.nlm.nih.gov] It is characterized by repeated attacks typically lasting between 15 and 180 minutes of severe unilateral side-locked headache with cranial autonomic features.[ncbi.nlm.nih.gov]

  • Cervicogenic Headache

    A 77-year-old man was admitted to the anesthesiology department (pain unit) with a 3-month history of severe unilateral headache.[ncbi.nlm.nih.gov] unilateral (n 32) or bilateral (n 28) cervicogenic headache, non-responsive to other treatment options, will be summarized.[ncbi.nlm.nih.gov] Cluster Headaches: Cluster headaches occurs as a series of typically unilateral headaches with pain most often felt over the temporal, orbital and supraorbital regions.[kingsleyphysio.com]

  • Migraine

    Migraine is an episodic headache that is unilateral or bilateral, pulsating in quality, moderate to severe in intensity, and exacerbated by physical activity.[doi.org] headache and left-sided weakness, 20 months after completing cranial radiotherapy.[ncbi.nlm.nih.gov] This condition is commonly unilateral (affecting one side of the head), with severe throbbing or pulsating headache and nausea, vomiting, and sensitivity to light and sound[britannica.com]

  • Mastitis

    Pathophysiology Gene rally occurs in Lactation several weeks postpartum Bacteria enter through a cracked nipple V. Symptoms Fatigue Malaise Myalgias Headache VI.[fpnotebook.com] Signs Fever Unilateral Breast inflammation Warmth Tenderness Erythema Observe for signs of Breast abscess Requires needle aspiration VII.[fpnotebook.com] Labs: Milk Culture Indications (not routine) Severe Mastitis Refractory despite optimal antibiotics for at least 48 hours Hospital acquired infection Technique Cleanse nipple[fpnotebook.com]

  • Polymyalgia Rheumatica

    headache, and sometimes sudden unilateral blindness; shares many of the symptoms of polymyalgia rheumatica Applies To Cranial arteritis Horton's disease Temporal arteritis[icd9data.com] […] arteritis involving the external carotid arteries, especially the temporal artery; occurs in elderly persons and may be manifested by constitutional symptoms, particularly severe[icd9data.com]

  • Deviated Nasal Septum

    Spurs : shelf - like projections may lead to headache and epistaxis. ( unilateral obstruction ) 5.[medicowesome.com] Thickening : due to septal hematoma CLINICAL FEATURES of DNS mnemonic TREATMENT - Only required if the symptoms are severe.[medicowesome.com]

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