<prompt> A patient on tt for psychiatric disorder takes an overdose of a drug, develops bradycardia, hypotension, decreased sweating and salivation. The likely drug is -AmitryptillineLithiumSelegilineAmphetamine  <response>: TCAs can cause postural hypotension Amitriptyline has maximum propensity.Decreased sweating salivation are due to anticholinergic side effects. 