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Nafcillin

Penicillin-class Antibacterial — ANTIINFECTIVES FOR SYSTEMIC USE

Also known as: nafcilin, nafcillin sodium, nafcillin sodium salt, nafcillin sodium salt monohydrate, nallpen, naphcillin, naphthamidopenicillin

OfpFDA approvedATC J01CF06

Data last refreshed: (DrugCentral release 2024-11-01)

Key facts

Nafcillin is an ofp drug in the Penicillin-class Antibacterial class catalogued in DrugCentral. It was first approved by the FDA in 1965. DrugCentral lists 2 molecular targets, including pbpA and pbp4|mecA|pbpA|PBP2|pbpF. Recorded indications include Acute bacterial sinusitis, Infection due to Staphylococcus aureus, Infection of bone and Infection of skin AND/OR subcutaneous tissue.

  • Approval status: ofp (first approved 1965 by the FDA).
  • Drug class: Penicillin-class Antibacterial.
  • Molecular targets: pbpA and pbp4|mecA|pbpA|PBP2|pbpF (2 listed in DrugCentral).
  • Indications: Acute bacterial sinusitis, Infection due to Staphylococcus aureus, Infection of bone, Infection of skin AND/OR subcutaneous tissue and Osteomyelitis due to Staphylococcus aureus and others.
  • ATC code: J01CF06 (Beta-lactamase resistant penicillins).
  • Molecular formula: C21H22N2O5S; molecular weight 414.48 g/mol.

Indications & contraindications

Drug–disease relationships curated by DrugCentral (OMOP / SNOMED concepts).

Indications (12)

  • Acute bacterial sinusitis
  • Infection due to Staphylococcus aureus
  • Infection of bone
  • Infection of skin AND/OR subcutaneous tissue
  • Osteomyelitis due to Staphylococcus aureus
  • Sepsis due to Staphylococcus aureus
  • Staphylococcal endocarditis
  • Staphylococcal infectious disease
  • Staphylococcal meningitis
  • Staphylococcal pneumonia
  • Staphylococcal Prosthetic Heart Valve Endocarditis
  • Staphylococcus Aureus Joint Infection

Off-label uses (1)

  • Pyrexia of unknown origin

Contraindications (3)

  • Infectious mononucleosis
  • Kidney disease
  • Pseudomembranous enterocolitis

Mechanism & targets

Established pharmacologic classPenicillin-class Antibacterial

Molecular targets (2)

TargetGeneActionActivity
Penicillin-binding protein 1ApbpAunknown—
Penicillin-binding proteinpbp4|mecA|pbpA|PBP2|pbpFinhibitor—

Regulatory approvals (1)

DateAgencyMarketed asApplicantOrphan
1965-10-11FDA—WYETH AYERST

ATC classification

ATC codeTherapeutic hierarchy
J01CF06ANTIINFECTIVES FOR SYSTEMIC USE › ANTIBACTERIALS FOR SYSTEMIC USE › BETA-LACTAM ANTIBACTERIALS, PENICILLINS › Beta-lactamase resistant penicillins

Reported adverse-event signals

Strongest FDA FAERS disproportionality signals (log-likelihood ratio). A signal is a statistical association in spontaneous reports, not proof that the drug causes the event.

MedDRA termLLR
Tubulointerstitial nephritis170.4
Acute kidney injury120.6
Nephropathy toxic53.0
Blood creatinine increased42.9

Chemical structure

Full physicochemical, ADMET and 3D-structure analysis of Nafcillin is on its molecule page.

Molecular formulaC21H22N2O5S
Molecular weight414.48 g/mol
CAS number147-52-4
InChIKeyGPXLMGHLHQJAGZ-JTDSTZFVSA-N
PubChem CID8982
CCOC1=CC=C2C=CC=CC2=C1C(=O)N[C@H]1[C@H]2SC(C)(C)[C@@H](N2C1=O)C(O)=O

Frequently asked questions

Answers are generated from the structured data on this page, not written by hand.

What is Nafcillin used for?

DrugCentral lists the following indications for Nafcillin: Acute bacterial sinusitis, Infection due to Staphylococcus aureus, Infection of bone, Infection of skin AND/OR subcutaneous tissue, Osteomyelitis due to Staphylococcus aureus, Sepsis due to Staphylococcus aureus, Staphylococcal endocarditis and Staphylococcal infectious disease and others.

How does Nafcillin work?

Its molecular targets in DrugCentral include pbpA and pbp4|mecA|pbpA|PBP2|pbpF (inhibitor).

When was Nafcillin first approved?

Nafcillin was first approved by the FDA in 1965.

What drug class does Nafcillin belong to?

Nafcillin is in the Penicillin-class Antibacterial class.

What is the chemical formula of Nafcillin?

Nafcillin has the molecular formula C21H22N2O5S and a molecular weight of 414.48 g/mol.

Browse: all drugs starting with N · drug guides by category · protein targets A–Z.

Sources

How this page is built: methodology · editorial policy & corrections.

For research and educational use only — not medical advice. This page is compiled automatically from public databases. It is not written or reviewed by a clinician. Do not start, stop or change any treatment based on it; consult a qualified healthcare professional. Spotted an error? See our corrections policy or email hello@molforge.ai.

Quick facts

StatusOFP
First approval1965-10-11
AgencyFDA
Targets2
Indications12
FormulaC21H22N2O5S
DrugCentral ID1869
Interactive profile