Dexfenfluramine elevates systemic blood pressure by inhibiting potassium currents in vascular smooth muscle cells.
Michelakis ED, Weir EK, Nelson DP, Reeve HL, Tolarova S, Archer SL. Dexfenfluramine elevates systemic blood pressure by inhibiting potassium currents in vascular smooth muscle cells. J Pharmacol Exp Ther. 1999 Dec; 291(3):1143-9.