Clofazimine's a fat-soluble riminophenazine dye used in combination with rifampicin and dapsone as multidrug therapy (MDT) for the treatment of leprosy. It's been used investigationally in combination with other antimycobacterial drugs to treat Mycobacterium avium infections in AIDS patients and Mycobacterium avium paratuberculosis infection in Crohn's disease patients. Clofazimine also has a marked anti-inflammatory effect and's given to control the leprosy reaction, erythema nodosum leprosum… (More on Clofazimine)