Tetracycline is used to treat respiratory infections such as bronchitis and pneumonia, as well as skin infections including acne and pimples caused by bacterial infections, and to treat genital infections such as syphilis and chlamydia, and infectious diseases transmitted through contaminated water or food such as typhoid and cholera. Doctors may prescribe
tetracycline as part of a treatment program that includes preventing travelers from certain diseases in endemic areas. To treat such cases, dosage instructions must be followed carefully to avoid the development of bacterial resistance to this antibiotic.