<prompt> Dextromethorphan should not be given with drug?SSRIsMAO inhibitorsAtropineParcetamol  <response>: Ans. isbi.e., MAO inhibitorsRl Katzung L2nle p. 559, KDT e p. 213,215The antitussive dextromethorphan should also be avoided by patients taking one of the monoamine oxidase B inhibitors; indeed, it is wise to advise patients to avoid all over-the-counter could preparations. 