Conditions in which the primary symptom is headache and the headache cannot be attributed to any known causes.
Comprehensive, easy-to-understand information about this condition
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migraine disorder
MONDO:0005277
trigeminal autonomic cephalalgia
MONDO:0015530
reversible cerebral vasoconstriction syndrome
MONDO:0017291
spontaneous intracranial hypotension
MONDO:0018624
exertional headache
MONDO:0023093