penicillin G benzathine

noun
penicillin G ben·​za·​thine | \ -ˈben-zə-ˌthēn, -thən How to pronounce penicillin G benzathine (audio) \

Medical Definition of penicillin G benzathine

: an aqueous suspension of a relatively insoluble salt of penicillin G that is absorbed slowly following intramuscular injection to provide a low but persistent level of penicillin G in the blood plasma

called also benzathine penicillin G