<prompt> All are vasodilators except.ProcaineLidocaineCocaineChlorprocaine  <response>: Ans. C CocaineRef: Katzung 11the p448All local anaesthetics cause vasodilation except cocaine. It blocks reuptake of nor-adrenaline and result in sympathetic overactivity. Therefore, cocaine can cause hypertension and cardiac arrhythmias. 