Sulfamethoxazole inhibits bacterial synthesis of dihydrofolic acid by competing with paraaminobenzoic acid. Sulfamethoxazole tablet blocks the production of tetrahydrofolic acid from dihydrofolic acid by binding to and reversibly inhibiting the required enzyme, dihydrofolate reductase. This medication is a combination of two antibiotics Sulfamethoxazole and trimethoprim. It is used to treat a wide variety of bacterial infections.

There are many different types of medicines applicable for treatment of bacterial infections. Sulfamethoxazole in Bactria belongs to a group of medicines known as sulfonamides. Trimethoprim belongs to a group of medicines known as the benzylpyrimidines. It is also used to prevent and treat a certain type of pneumonia (pneumocystis-type).

Sulfamethoxazole and trimethoprim combination is an antibiotic. It works by eliminating the bacteria Sulfamethoxazole and trimethoprim is taken by mouth (oral) or given as an infusion into a vein (injection). it works by stopping the growth of the bacteria causing the infection. It blocks two consecutive steps in the biosynthesis of nucleic acids and proteins essential to bacteria.

Take this medication by mouth, with a full glass of water (8 ounces / 240 milliliters).

Dose:

Sulfamethoxazole and trimethoprim doses are based on weight in children. Use only the recommended dose when giving this medicine to a child.