This product is a long acting, antibiotic suspension injectables showing the broad spectrum activity against gram-positive and gram-negative bacteria. Among its active ingredients, Streptomycin is rapidly released from the injection site acting on the target organs. Conversely, Benzathine and Procaine penicillins are slowly released from the injection site and the effective plasma concentration of the two penicillins is maintained in the blood with a long lasting effect through one time injection maintaining its efficacy for 2-3 days.