You could have an infection caused by bacteria, yeast, or viruses. Chemicals in soaps, sprays, or even clothing that come in contact with this area could be irritating the delicate skin and tissues. It's not always easy to figure out what's going on, though.
They produce over two-thirds of the clinically useful antibiotics of natural origin (e.g., neomycin, cypemycin, grisemycin, bottromycins and chloramphenicol). The now uncommonly used streptomycin takes its name directly from Streptomyces.treptomyces is the largest antibiotic-producing genus, producing antibacterial, antifungal, and antiparasitic drugs, and also a wide range of other bioactive compounds, such as immunosuppressants.
Indian Journal of Biotechnology. Vol 7, July 2008, pp 341-348. Enhanced production of streptomycin and hydrolytic enzymes by Streptomyces. griseus strains using different types of organic solvents and detergent compounds. Kamal Y I El-shahed*, Ahmed I El-Diwany and Hassan M M Awad. National Research Center, Chemistry of Natural and Microbial Products Department, Dokki-Cairo-Egypt.