Products Gramicidin is contained in topically applied medicines, for example, creams, ointments, lozenges, eye drops, and ear drops. These are usually combination preparations. Gramicidin was discovered in the late 1930s by René J. Dubos in New York at the Rockefeller Institute for Medical Research. It is therefore also known as gramicidin D. Structure and properties … Gramicidin
Products Bacitracin is used for topical therapy, for example, in the form of ointments and eye ointments. It is also combined with neomycin, which is effective against Gram-negative bacteria. The bacteria that form bacitracin were first isolated in the 1940s from a contaminated wound on the shin of a girl named Margaret Treacy (Johnson et … Bacitracin
Products Tyrothricin is commercially available in combination with disinfectants and local anesthetics in the form of lozenges, oral sprays, and as an irrigation solution. The antibiotic was discovered in the late 1930s by René J. Dubos in New York at the Rockefeller Institute for Medical Research. Structure and properties Tyrothricin is a mixture of antimicrobially … Tyrothricin
