Sulfamethoxazole 40 mg + Trimethoprim 8 mg / ml (Brand Name: TMP/SMX, Co-trimoxazole, Bactrim, Cotrim, Septra, Sulfatrim) Patient’s weight: kilograms pounds Mild to moderate infection: 8 to 12 mg TMP/kg/day PO BID (Max 160 mg TMP/dose) Dose based on Trimethoprim component