Doxycycline, abbreviated Doryx, is an antibiotic used to treat infections caused by bacteria or protozoa. This antibiotic is also effective in the prevention and treatment of malaria when combined with quinine. Doryx can be taken orally.

Targadox is used to treat a variety of bacterial infections, including those caused by acne. Besides, Targadox can also prevent malaria and is known as a tetracycline antibiotic.