Sulfamethoxazole 800mg ... Renal impairment (CrCl 15–30mL/min): reduce dose by ½; CrCl <15mL/min: not recommended. <2months: see Contraindications. ≥2months: 8mg/kg per day trimethoprim ...

This article will review Bactrim, its uses, side effects, dosing requirements, and its role in treating sinus infections.