Pharmacology A.N.S. b36fd994 Antidote for belladonna poisoning: A Neostigmine B Physostigmine C Pilocarpine D Methacholine High-Yield Explanation Ans. B. PhysostigmineBeing tertiary amine, Physostigmine can reverse the CNS manifestation of belladonna poisoning. Whereas neostigmine has very less CNS penetration.