what are tetracyclines
Tetracycline has commonly been used to treat acne and other skin infections; respiratory tract infections such as pneumonia; genital and urinary infections; and Helicobacter pylori (the bacteria that can lead to stomach ulcers).: Tetracycline is an antibiotic that fights bacteria in the body. It can be used to treat many different bacterial infections, such as urinary tract infections, acne, gonorrhea, chlamydia, and others.