Cefotaxime (INN) (IPA: ) is a third-generation cephalosporin antibiotic. Like other third-generation cephalosporins, it has broad spectrum activity against Gram positive and Gram negative bacteria. In most cases, it is considered to be equivalent to ceftriaxone in terms of safety and efficacy. Cefotaxime sodium is marketed under various the trade names including Claforan (Sanofi-Aventis).

Clinical use

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Chemistry

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The syn-configuration of the methoxyimino moiety confers stability to β-lactamase enzymes produced by many Gram-negative bacteria. Such stability to β-lactamases increases the activity of cefotaxime against otherwise resistant Gram-negative organisms.

See also

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• Cephalosporin
• Ceftriaxone

Cephalosporin antibiotics

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