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General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Almost everyone has had a headache. Headache is the most common form of pain. It's a major reason people miss days at work or school or visit the doctor. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Sources: SI, NLM MedlinePlus · Reference · https://medlineplus.gov/headache.html; https://www.mayoclinic.org/search/search-results?q=Cluster%20headache; Guideline: ICHD-3 (2018)
Almost everyone has had a headache. Headache is the most common form of pain. It's a major reason people miss days at work or school or visit the doctor.
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
Findings that point to it: cluster headache, fever.
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
See a qualified clinician to confirm or rule this out, sooner if symptoms worsen.
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
Tests used to confirm: high-flow oxygen; neurology.
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
Treatment is decided by a clinician after confirming the diagnosis. No dosing information is given here.
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
ICHD-3 (2018)
Sources: SI, NLM MedlinePlus · Reference · MedlinePlus (US NLM) · Mayo Clinic
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Text: SI summary in its own words (CC BY 4.0) with NLM MedlinePlus public-domain summary; facts checked against WHO fact sheets (CC BY-NC-SA 3.0 IGO, paraphrased with attribution) and Mayo Clinic (linked reference only, no text used); ICD-10 and labels from Wikidata (CC0).