Reversible Cerebral Vasoconstriction Syndrome Induced by Sumatriptan: A Case Report and Review of Literature.

RCVS is a rare syndrome with varied triggers and clinical features, requiring careful evaluation and management. Early diagnosis and vasospasm-targeted therapies, such as nimodipine, are essential for preventing complications. This case underscores the importance of considering RCVS in patients with sudden severe headaches and neurological deficits, particularly those using serotonergic medications.