A drug that blocks the uptake of dopamine and norepinephrine into presynaptic nerve terminals and also blocks sodium channels in the axonal membrane is:: (A) Cocaine, (B) Ephedrine, (C) Imipramine, (D) Fluoxetine
Answer is A. It is a local anaesthetic agent (acts by inhibiting Na+ channel in the axonal membrane) that also possesses indirect sympathomimetic activity.