Sodium nafcillin is effective in the treatment of infections caused by penicillin G-resistant staphylococci. Its relative effectiveness in comparison with older penicillins has not been determined. Adverse reactions are typical of those produced by other penicillins.
A New Semisynthetic PenicillinSodium Nafcillin (Unipen). JAMA. 1965;191(11):930–931. doi:10.1001/jama.1965.03080110054014
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