Rifabutin is an antibiotic. It prevents bacteria from multiplying in your body. Rifabutin is used to prevent mycobacterium avium complex (MAC) in people with HIV (human immunodeficiency virus) infection. Rifabutin is also used with other medications to treat tuberculosis in people with HIV. Rifabutin is often given together with other antibiotics. Rifabutin may also be used for other purposes not listed in this medication guide.
Mycobutin (rifabutin) is used to prevent MAC (Mycobacterium avium complex) in advanced state HIV patients. Certain bacteria's can be slowed or prevented from growing in HIV patients. It is a bactericidal antibiotic that blocks DNA and RNA bacteria from growing in patients. This medication may be used to treat other conditions as well.