<prompt> Rivastigmine is given in?ParkinsonismAlzheimers diseaseSchizophreniaAnxiety  <response>: Ans. b Alzheimers diseaseRef: Harrison 19th ed. 2617 Rivastigmine is a reversible inhibitor of both the acetylcholinesterase and butyrylcholinesterase enzymes. It is used for the treatment of Alzheimers ,as well as for the treatment of dementia associated with Parkinsons disease. This drug is available as a skin patch that provides continuous delivery of the drug over 24 hours 