Doxycycline is an oral drug used to treat infections and acne, and to prevent malaria. Its sold as a generic medication or under the brand-names Acticlate, Doryx, and Doryx MPC. Doxycycline <span class=" fc-2nd">Jul 01, 2019 · </span> Doxycycline is a tetracycline antibiotic that fights bacteria in...