penicillinase-resistant penicillin


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penicillinase-resistant penicillin

Any of a group of penicillins that are not inactivated by the enzyme penicillinase. These penicillins retain their effectiveness as antibiotics used for infections caused by bacteria that produce penicillinase.
See: bacterial resistance; beta-lactamase resistance; Staphylococcus aureus, methicillin-resistant
See also: penicillin
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