Pharmacology Autonomic nervous system 432dc6c0 Drug which is used as pre-anaesthetic medication? A Atropine B Flavoxate C Glycopyrrolate D Hyoscine High-Yield Explanation Glycopyrrolate is used as pre-anaesthetic medication, it is a quaernary amine which doesn't cross BBB and produce unnecessary CNS effects Ref: KDT 6th ed pg 109