Vibramycin 100 mg tablets is a tetracycline antibiotic which is used to treat many types of bacterial infections, including tract infections, periodontitis, acne, gonorrhea, and chlamydia, and others. It's slowing the growth of bacteria. This drug is also used to treat blemishes, bumps, and acne-like lesions caused by rosacea. Vibramicin will not treat facial redness caused by rosacea. Also Vibramicin 100 mg tablets may be used to prevent certain types of malaria in travelers who will be visiting malaria-infected areas for less than 4 months.