<prompt> Tricyclic antidepressants have all of the following actions except ?Anticholinergic actionMAO inhibitionBlock 5-HT or NE reuptakeCauses sedation  <response>: Ans- B. MAO inhibitionTricyclic antidepressants TCAS are either NA 5HT reuptake inhibitors e.g. - Imipramine,Amitriptyline or predominantly NA reuptake inhibitors e.g. Desipramine, noriptyline.TCAs are not MAO inhibitors.Adverse effects of TCFs are : anticholinergic side effects, sedatior, mental confusion, weakness, increase appetite weight gain, sweating fine tremor, postural hypotension and cardiac arrhythmia. 