Nontuberculous mycobacteria, conjointly referred to as environmental mycobacteria, atypical mycobacteria and mycobacteria apart from TB, area unit mycobacteria that don't cause TB or Hansen's disease. Atypical TB, of that mack (Mycobacterium avium-complex) is one kind ( different varieties being M.Kansasii etc ) isn't unfold from human to human , however is gift within the setting and affects and infects specific teams of persons. you are doing not need to be HIV positive to induce infected with mack, though in HIV it's going to progress quicker. the opposite teams of people this infects embrace those with chronic respiratory organ malady like Emphysema/COPD/ Sarcoidoisis and in some cases time of life girls with apparently traditional lungs.Mycobacterium marinum species area unit typically proof against INH, antibiotic drug, pyrazinamide, and para-aminosalicylic acid. Effective antimicrobials embrace tetracyclines, fluoroquinolones, macrolides (eg, clarithromycin), rifampicin and sulfonamides (cotrimoxasole). Treatment ought to be for a minimum of 4–6 weeks, and typically up to 2 months.Mycobacterium kansasii ought to be treated with a minimum of three medicine for 12–18 months.