<prompt> No treatment of withdrawal is req uired in -LSDOpiumAlcoholAmphetamine  <response>: Ans. is a i.e., LSD o Clinically significant withdrawal syndrome requires treatmentAlcohol, opioids, amphetamines, Barbiturates, BZDs, Nicotine.o No or minimal clinically significant withdrawal syndrome requires no treatment :-LSD nil. Cannabis minimal. 