All are vasodilators except.
Ans. (C) Cocaine(Ref: Katzung 11th/e p448)All 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.
Procaine
Lidocaine
Cocaine
Chlorprocaine
Anaesthesia