Which drug is not used in Alzhermer's disease: (A) Tacrine, (B) Galantamine, (C) Donepezil, (D) Rivastigmine
Answer is A. Ans. is 'a' i.e., Tacrine o Recently 4 cholinergic activators (cerebroselective anticholinesterase drugs) are being approved by UK & USA for use in AD Tacrine, Rivastigmine, Donepezil, Galantamine. o Because of hepatotoxicity, and requirement of frequent obsing, tacrine is less often used than other agents.