What does trimethoprim contain?

Trimethoprim is an antibiotic that primarily contains the active ingredient trimethoprim, which is a synthetic derivative of diaminopyrimidine. It is often formulated in combination with sulfamethoxazole to enhance its antibacterial effectiveness, especially in treating urinary tract infections and other bacterial infections. The medication typically comes in tablet form or as a liquid suspension for oral administration. Additionally, it may include excipients or inactive ingredients that serve as fillers or stabilizers in the formulation.