Doxy-Tab is a tetracycline antibiotic. It fights bacteria in the body.
Doxy-Tab is used to treat many different bacterial infections, such as acne, urinary tract infections, intestinal infections, eye infections, gonorrhea, chlamydia, periodontitis (gum disease), and others.
Doxy-Tab is also used to treat blemishes, bumps, and acne-like lesions caused by rosacea. It will not treat facial redness caused by rosacea.
Some forms of Doxy-Tab are used to prevent malaria, to treat anthrax, or to treat infections caused by mites, ticks, or lice.