AssessmentsStopsfolic acidsynthesisHypoglycemicdrugsACEInhibitorscontraindicationsElderlysulfamethoxazole/trimethoprimBlood-BrainBarrierBlooddisorderBacterialresistanceGITractSideeffectsBUN,serumcreatinineAdverseeffectsPreventbacterialresistancePO,IVContraceptivesStevens-JohnsonSyndromeWarfarinBroadspectrumCrystalluriaCross-SensitivitySulfonamidesSynergisticeffect