tolbutamide 500 mg intravenously was administered on four separate occasions -- as a control without pretreatment and on the seventh day of separate twice daily administration of cotrimoxazole ( sulphamethoxazole 800 mg plus trimethoprim 160 mg ) ( st phase ) , sulphamethoxazole 1 g ( s phase ) and trimethoprim 150 mg ( t phase ) .
C0041044
cotrimoxazole
C0038689
sulphamethoxazole