<prompt> The drug used by health workers in the management of acute respiratory infection -CotrimoxazoleChloramphenicolBenzyl penicillinGentamycin  <response>: cotrimoxazole is the drug of choice of treatment of pneumonia efficacy of cotrimoxazole is to be similiar to ampicillin and procaine penicillin cure rates are up to 95 less expensive with little side effects children with severe pneumonia should be treated with IM benzyl penicillin,ampicillin or chloremphenicol in very severe pneumonia,chloremphenicol IM is the drug of choice if condition worsens,IM cloxacillin gentamycin is given 