1.long-acting,low toxicity 2.GMP certificate 3.manufacture factory 4 ... Medicine Oxytetracycline Injection PHARMACOLOGICAL ACTIONSOxytetracycline is a broad spectrum,long-acting antibiotics.It has significant inhibitory effect on both Gram- ... mycoplasma, Chlamydia, rickettsia and spirochetes.INDICATIONIt is a long-acting compound preparation for the respiratory tract, gastrointestinal tract and urinary ...