Florfenicol

Last updated
Florfenicol
Florfenicol.svg
Florfenicol molecule ball.png
Clinical data
Trade names Nuflor
Other names2,2-dichloro-N-((1R,2S)-3-fluoro-1-hydroxy-1-(4-(methylsulfonyl)phenyl)propan-2-yl)ethanamide
AHFS/Drugs.com International Drug Names
Routes of
administration
intramuscular, subcutaneous
ATCvet code
Legal status
Legal status
  • AU: S4 (Prescription only)
  • Veterinary use only
Identifiers
  • 2,2-dichloro-N-[(1R,2S)-3-fluoro-1-hydroxy-1-(4-methanesulfonylphenyl)propan-2-yl]acetamide
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.170.898 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C12H14Cl2FNO4S
Molar mass 358.21 g·mol−1
3D model (JSmol)
  • ClC(Cl)C(=O)N[C@@H]([C@H](O)c1ccc(cc1)S(=O)(=O)C)CF
  • InChI=1S/C12H14Cl2FNO4S/c1-21(19,20)8-4-2-7(3-5-8)10(17)9(6-15)16-12(18)11(13)14/h2-5,9-11,17H,6H2,1H3,(H,16,18)/t9-,10-/m1/s1 Yes check.svgY
  • Key:AYIRNRDRBQJXIF-NXEZZACHSA-N Yes check.svgY
 X mark.svgNYes check.svgY  (what is this?)    (verify)

Florfenicol (marketed by Schering-Plough Animal Health under the trade name Nuflor) is a fluorinated synthetic analog of thiamphenicol, [1] mainly used as a antibiotic in veterinary medicine.

Contents

As a generic, it is now available worldwide. [2]

Indications

In the United States, florfenicol is currently indicated for the treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida , and Histophilus somni , for treatment of bovine interdigital phlegmon (foot rot, acute interdigital necrobacillosis, infectious pododermatitis) associated with Fusobacterium necrophorum and Prevotella melaninogenica .

In swine, it is indicated for the treatment of respiratory infections caused by Actinobacillus pleuropneumoniae , Bordetella bronchiseptica , Glaesserella parasuis, P. multocida, and Streptococcus suis .

Florfenicol is also used in aquaculture, and is licensed for use in the United States for the control of enteric septicemia in catfish. [3]

Since the early 2000s, it has been used in Europe, [4] treating mainly primary or secondary colibacillosis in broiler [5] and parent flocks. It is not allowed in laying hens, due to residues in eggs. It is also indicated in turkey.

The use of florfenicol in horses, and likely in other equids, typically causes diarrhea. This has been anecdotally reported to progress to lethal cases of acute colitis. Therefore, use of this antimicrobial in the equine patient should be limited to cases in which other, safer, options are not available. [6]

Contamination

Florfenicol was among the drug contaminants in a brand of supermarket eggs in Taiwan and Iran. [7]

Related Research Articles

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Schering-Plough Corporation was an American pharmaceutical company. It was originally the U.S. subsidiary of the German company Schering AG, which was founded in 1851 by Ernst Christian Friedrich Schering. As a result of nationalization, it became an independent company. In 1971, the Schering Corporation merged with Plough, Inc. to form Schering-Plough. On November 4, 2009 Merck & Co. merged with Schering-Plough with the new company taking the name of Merck & Co.

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References

  1. Syriopoulou VP, Harding AL, Goldmann DA, Smith AL (February 1981). "In vitro antibacterial activity of fluorinated analogs of chloramphenicol and thiamphenicol". Antimicrobial Agents and Chemotherapy. 19 (2): 294–297. doi:10.1128/aac.19.2.294. PMC   181412 . PMID   6957162.
  2. "Florfenicol". Drugs.com.
  3. Gaunt PS, Langston C, Wrzesinski C, Gao D, Adams P, Crouch L, et al. (October 2013). "Multidose pharmacokinetics of orally administered florfenicol in the channel catfish (Ictalurus punctatus)". Journal of Veterinary Pharmacology and Therapeutics. 36 (5): 502–506. doi:10.1111/j.1365-2885.2012.01426.x. PMID   22882087.
  4. "Florfenicol (Extension to Chicken)" (PDF). Committee for Veterinary Medicinal Products. European Medicines Agency. March 1999. Archived from the original (PDF) on 2018-09-20. Retrieved 2016-05-10.
  5. Shen J, Wu X, Hu D, Jiang H (October 2002). "Pharmacokinetics of florfenicol in healthy and Escherichia coli-infected broiler chickens". Research in Veterinary Science. 73 (2): 137–140. doi:10.1016/s0034-5288(02)00033-4. PMID   12204631.
  6. Magdesian KG (2009). "Update on Common Antimicrobials". In Robinson NE, Sprayberry KA (eds.). Current therapy in equine medicine. Saunders Elesevier. p. 13. ISBN   978-1-4160-5475-7 . Retrieved March 21, 2011.
  7. I-chia L (8 January 2013). "Survey suggests certain eggs may be dangerous". Taipei Times. Retrieved 3 November 2014.