Chemistry:Cloxacillin

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Short description: Beta-lactam antibiotic
Cloxacillin
Cloxacillin.svg
Cloxacillin-based-on-xtal-3D-bs-17.png
Clinical data
Trade namesCloxapen, others
AHFS/Drugs.comMicromedex Detailed Consumer Information
Pregnancy
category
  • US: B (No risk in non-human studies)
Routes of
administration
By mouth, IM
ATC code
Pharmacokinetic data
Bioavailability37 to 90%
Protein binding95%
Elimination half-life30 minutes to 1 hour
Excretionkidney and biliary
Identifiers
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
FormulaC19H18ClN3O5S
Molar mass435.88 g·mol−1
3D model (JSmol)
  (verify)

Cloxacillin is an antibiotic useful for the treatment of a number of bacterial infections.[1] This includes impetigo, cellulitis, pneumonia, septic arthritis, and otitis externa.[1] It is not effective for methicillin-resistant Staphylococcus aureus (MRSA).[2] It can be used by mouth and by injection.[1]

Side effects include nausea, diarrhea, and allergic reactions including anaphylaxis.[1] Clostridium difficile diarrhea may also occur.[2] It is not recommended in people who have previously had a penicillin allergy.[1] Use during pregnancy appears to be relatively safe.[1] Cloxacillin is in the penicillin family of medications.[2]

Cloxacillin was patented in 1960 and approved for medical use in 1965.[3] It is on the World Health Organization's List of Essential Medicines.[4] It is not commercially available in the United States.[2]

Mechanism of action

It is semisynthetic and in the same class as penicillin. Cloxacillin is used against staphylococci that produce beta-lactamase, due to its large R chain, which does not allow the beta-lactamases to bind. This drug has a weaker antibacterial activity than benzylpenicillin, and is devoid of serious toxicity except for allergic reactions.[citation needed]

Society and culture

Cloxacillin was discovered and developed by Beecham (now GlaxoSmithKline).[5]

It is sold under a number of trade names, including Cloxapen, Cloxacap, Tegopen and Orbenin.[6]

See also

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 WHO Model Formulary 2008. World Health Organization. 2009. pp. 98, 100, 110–111, 586, 602, 614, 623. ISBN 9789241547659. 
  2. 2.0 2.1 2.2 2.3 "Cloxacillin (Professional Patient Advice)". https://www.drugs.com/ppa/cloxacillin.html. 
  3. (in en) Analogue-based Drug Discovery. John Wiley & Sons. 2006. p. 490. ISBN 9783527607495. https://books.google.com/books?id=FjKfqkaKkAAC&pg=PA490. 
  4. World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. 2019. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO. 
  5. Antimicrobial drugs: chronicle of a twentieth century medical triumph. Oxford University Press US. 2008. pp. 124–. ISBN 978-0-19-953484-5. https://books.google.com/books?id=i4_FZHmzjzwC&pg=PA124. Retrieved 18 November 2010. 
  6. "Cloxacillin". 2023-05-09. https://vcahospitals.com/know-your-pet/cloxacillin. 

External links