1. Antibacterial synergistic drugs, used alone for respiratory tract infections, urinary tract infections, intestinal infections and other diseases;
2. As an antibacterial synergist, it can also treat poultry bacterial infections and coccidiosis;
3. New oral broad-spectrum antibacterial drugs. The antibacterial spectrum is similar to that of sulfa drugs, but it is more effective and effective against a variety of Gram-positive and negative bacteria. Because bacteria will easily develop resistance to this product, it is not suitable to be used as an antibacterial agent alone. The combination of trimethoprim and sulfa drugs can enhance the antibacterial effect several times to several tens of times. This product is mainly used as a synergist for sulfonamides. It is generally used in a ratio of 1:5. It can also be used as a veterinary medicine to treat sepsis caused by avian coliform bacteria, pullorum, avian typhoid fever, cholera, and secondary bacterial infections of the respiratory system. It can also be used for the treatment of coccidiosis.