OXYTETRACYCLINE HYDROCHLORIDE is an antibiotic of tetracycline type which is used against a wide range of bacterial infections including lung infections like bronchitis, pneumonia and whooping cough, urinary tract infections, sexually transmitted diseases like gonorrhea, syphilis and Chlamydia, eye infections like conjunctivitis, and rickettsial infections like tick fevers, Q fever. It is also effectively used against brucellosis, psittacosis, cholera and plague.