- Long-term (over 2 weeks) treatment with any drug with known significant anti-Mycobacterium avium complex (MAC) activity including isoniazid, ethambutol, rifampin, raffia, PAS, PZA, amikacin, streptomycin, ethionamide, viomycin, cycloserine, capreomycin, ciprofloxacin, imipenem, rifapentine, gentamicin, or penicillin.