Medical Dictionary

penicillin G benzathine

noun penicillin G ben·za·thine \-ˈben-zə-ˌthēn, -thən\

Medical Definition of PENICILLIN G BENZATHINE

:  an aqueous suspension of a relatively insoluble salt of penicillin G that provides a low but persistent serum level of penicillin G following intramuscular injection—called also benzathine penicillin G

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