Cephalexin 125 mg / 5 ml (Brand Name: Keflex; Ceporex; Cepol) Patient’s weight: kilograms pounds Mild to moderate infection: 25 to 50 mg/kg/day TID (Max 2 g/day) Mild to moderate infection: 25 to 50 mg/kg/day QID (Max 2 g/day) Severe infection: 50 to 100 mg/kg/day QID (Max 4 g/day)