what drugs treat uti in dogs
About Sulfamethoxazole and Trimethoprim for Pets indications for Sulfamethoxazole and Trimethoprim. Trimethoprim is a potential sulfa drug with antibacterial properties, which is used in the treatment of many bacterial infections in dogs and cats. It is commonly used against the infections of the lungs, urinary tract, skin and gastrointestinal organs.