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