<prompt> All the following effects are seen with cocaine exceptBlack pigmentation of tongueNasal septal perforationFreebasingSympatholytic effect  <response>: Cocaine is a kind of sympathomimetic, produce vasoconstriction It acts as local anaesthetic .inhibits the reuptake of neurotransmitters Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg. 345 