|AHFS/Drugs.com||International Drug Names|
|ATC code||J01DC09 (WHO)|
|Chemical and physical data|
|Molar mass||471.538 g/mol|
|3D model (Jmol)||Interactive image|
|(what is this?)|
The chemical structure of cefmetazole, like that of several other cephalosporins, contains an N-methylthiotetrazole (NMTT or 1-MTT) side chain. As the antibiotic is broken down in the body, it releases free NMTT, which can cause hypoprothrombinemia (likely due to inhibition of the enzyme vitamin K epoxide reductase) and a reaction with ethanol similar to that produced by disulfiram (Antabuse®), due to inhibition of aldehyde dehydrogenase.
Spectrum of bacterial susceptibility
Cefmetazole is a broad-spectrum cephalosporin antimicrobial and has been effective in treating bacteria responsible for causing urinary tract and skin infections. The following represents MIC susceptibility data for a few medically significant microorganisms.
- Bacteroides fragilis: 0.06 - >256 µg/ml
- Clostridium difficile: 8 - >128 µg/ml
- Staphylococcus aureus: 0.5 - 256 µg/ml (includes MRSA)
- Stork CM (2006). "Antibiotics, antifungals, and antivirals". In Nelson LH, Flomenbaum N, Goldfrank LR, Hoffman RL, Howland MD, Lewin NA. Goldfrank's toxicologic emergencies. New York: McGraw-Hill. p. 847. ISBN 0-07-143763-0. Retrieved 2009-07-03.
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