Oxytetracycline injection is a wide spectrum bacteriostatic antibiotic. Oxytetracycline Injection is a wide spectrum bacteriostatic antibiotic. It acts on gram-positive and gram-negative micro-organisms. It is particularly sensitive to streptococci, clostridia, E.coli, shigellae, brucellae, salmonellae, leptospirae etc. In addition, it is effective against some mycoplasmas, rickettsiae, ...