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Nafcillin sodium

Published by U.S. Food and Drug Administration | U.S. Department of Health & Human Services | Metadata Last Checked: February 18, 2026 | Last Modified: 2025-03-17
Nafcillin Sodium is a penicillin-class antibiotic used to treat bacterial infections. It comes as an injectable powder that must be mixed into a solution for intramuscular or intravenous administration. Available in 1g and 2g vials, it's prescribed for serious infections like those caused by susceptible bacteria. This information was generated using AI and is provided for informational and research purposes only.

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