Pharmacological action The product is broad-spectrum antibiotics, which has strong bactericidal activity to some gram-positive bacterium, some gram-negative bacterium and some anaerobes. It is effective to Staphylococcus resistant to methicillin, influenza bacillus resistant to ampicillin, Escherichia coli resistant to pipemidic acid and other bacteria resistant to other drug. Its distribution is wide, organizations penetrating is good, and its half-life (t1/2β) is 6 7 hours, it will be excreted by kidney, but its molecules can not change, about 70% -80% of the product is excreted from the urine after 48 hours. Indication It is applied to treat for the gastrointestinal infections caused by sensitive bacteria, viruses: 1, Use it to cure edema, dysentery, diarrhea, yellow and white diarrhea, typhoid, paratyphoid infections caused by E. coli, Salmonella, Clostridial enteritis of piglet 2. Use it to cure not eating, dispirited, watery stench feces, weight loss caused by the mixed infection of bacterium and virus 3. Genitourinary system infection : Mastitis, breast swelling and nugget caused by vaginitis. vagina flows fishiness sexual secretions.