PT - JOURNAL ARTICLE AU - Stephen Mullin AU - Andrew Platts AU - Kashmir Randhawa AU - Paul Watts TI - Cerebral vasospasm and anterior circulation stroke secondary to an exacerbation of hereditary corproporphyria AID - 10.1136/practneurol-2012-000288 DP - 2012 Dec 01 TA - Practical Neurology PG - 384--387 VI - 12 IP - 6 4099 - http://pn.bmj.com/content/12/6/384.short 4100 - http://pn.bmj.com/content/12/6/384.full SO - Pract Neurol2012 Dec 01; 12 AB - Acute porphyria, though rare, has well-known neurological sequelae. Vasospasm rarely complicates exacerbations of acute intermittent porphyria, but has not been previously reported in hereditary coproporphyria. We describe a porphyric crisis in a woman with previously undiagnosed hereditary coproporphyria (triggered by rifampicin), leading to vasospasm and stroke.