Intended for healthcare professionals


Tetraparesis associated with colchicine is probably due to inhibition by verapamil of the P-glycoprotein efflux pump in the blood-brain barrier

BMJ 2006; 332 doi: (Published 13 April 2006) Cite this as: BMJ 2006;332:882

In this Drug Point by Uwe Tröger and colleagues we mislabelled two curves, and the error slipped through the proof stage (BMJ 2005;331: 613, 17 Sep). The solid red line should indicate “norverapamil concentration in serum” and the broken orange line “colchicine concentration in cerebrospinal fluid.” These labels were the wrong way round.

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