included in the drug have a synergistic effect and determine its high antimicrobial
activity. The drug suppresses development of many Gram-positive and Gram-negative microorganisms, including Salmonella, Pasteurella, Escherichia, but it is not active against fungi and viruses.
Drug affects folic acid biosynthesis in microorganisms.
After oral administration the drug is quickly absorbed by gastrointestinal tract and is penetrated through organs and tissues and it has bactericidal effect. Maximum concentration in blood is reached 2-4 hours after drug administration. Therapeutic concentration in blood retains for 12 hours. The drug is eliminated mainly with urine.