Nafcillin (Nafcillin) (Injection) 1 g/50mL

Nafcillin injection is a penicillin-type antibiotic used to treat bacterial infections. It works by stopping the growth of bacteria. This prescription medication is administered via injection under medical supervision. Commonly prescribed for skin and soft tissue infections.

Strength

1 g/50mL

Manufacturer / TM Owner

Baxter Healthcare Corporation

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Indications & Clinical Uses

Nafcillin is a penicillin antibiotic used to treat infections caused by certain bacteria. It is often prescribed for skin and soft tissue infections, bone and joint infections, and pneumonia. Healthcare providers may use nafcillin when other antibiotics are not effective. It works by stopping bacterial growth to help the body fight infection.

Side Effects

Nafcillin is an injectable antibiotic that helps the body combat bacterial infections. Patients may experience relief from symptoms such as fever, swelling, or pain as the infection improves. The medication works systemically to target bacteria throughout the body.

Precautions & Warnings

Nafcillin should only be used under the supervision of a healthcare professional. Patients with a history of penicillin or cephalosporin allergies should inform their provider before receiving this medication. Proper hydration and monitoring for allergic reactions are important during treatment.

Avoid Interactions

Nafcillin may interact with other medications, including blood thinners, certain antibiotics, and drugs that affect liver enzymes. Combining nafcillin with alcohol is not recommended. Patients should inform their healthcare provider about all prescription, over-the-counter, and herbal products they are using.

Frequently Asked Questions

Nafcillin is used to treat bacterial infections, including skin, bone, and lung infections.

Nafcillin is given as an injection by a healthcare professional in a clinical setting.

Allergic reactions are possible, especially in patients with penicillin allergies.

Pregnant patients should consult their healthcare provider before using nafcillin.

Avoid alcohol and inform your provider about all medications you are taking.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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