<prompt> Drug used to prevent alcohol withdrawal in de addiction is?DiazepamClonidinePropanololMethadone  <response>: Psychological medical suppoive measures are needed during withdrawal .Many CNS depressant like barbiturates ,phenothiazines ,chloral hydrate have been used as substitution therapy in past to suppress withdrawal syndrome but benzodiazepine chordiazepoxide ,diazepam are preferred drugs now. Ref: KD Tripathi 8th ed. 