<prompt> Oliguria causing drug is?AcyclovirDiazepamAspirinMontelukast  <response>: Ans. is a i.e., Acyclovir Drugs Causing Oliguria Drugs causing decreased renal perfusion - diuretics. Drugs causing nephrotoxicity - aminoglycosides and chemotherapeutic agents. Urine retention - adrenergic and anticholinergic drugs. Urinary obstruction associated with precipitation of urinary crystals - sulfonamides and acyclovir. 