A broad-spectrum antibiotic derived from Streptomyces decaris. It is active against a wide range of organisms, and is used in drops to treat infections of the eyes and ears. Health Source: Medical Dictionary Author: Health Dictionary
n. an antibiotic used mainly in the form of eye or ear drops (in combination with dexamethasone) to treat eye and ear infections. Health Source: Oxford | Concise Colour Medical Dictionary Author: Jonathan Law, Elizabeth Martin