WHAT IS DOXYCYCLINE HYDROCHLORIDE, USES, DOSAGE AND SIDE EFFECTS by Marie | Nov 12, 2016 | Anti-bioticsDoxycycline is a tetracycline antibiotic. The drug fights bacteria in the body. Doxycycline is a drug that treats many bacterial infections such as: Acne Urinary Tract Infections (UTI) Intestinal... read more