Amphotericin-b is an antibiotic obtained from the bacteria Streptomyces nodosus and it is used against the fungus Histoplasma capsulatum that causes the disease histoplasmosis.
Polymyxin-B is used against fungal infections caused by Aspergillus and the Mucorales. It is derived from the bacterium Bacillus polymyxa.
Trichomycin eliminating yeastlike fungi from the vaginal flora of pregnant women. It is derived from Streptomyces sp.