Tetracycline hydrochloride is an antibiotic used to treat non-bacterial infections such as chlamydia infection, rickettsial disease, mycoplasma pneumonia and relapsing fever. It is also used for the treatment of brucellosis, cholera, rabbit fever Chemicalbook, rat bite fever, anthrax, tetanus, plague, actinomycosis, gas gangrene, respiratory system, bile duct, urinary tract infection and skin and soft tissue infection caused by sensitive bacteria.