beta-lactam antibiotic

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beta-lactam antibiotic

n.
Any of a class of broad-spectrum antibiotics, such as the penicillins and the cephalosporins, that contain a beta-lactam ring.

beta-lactam antibiotic

any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a beta-lactam ring.

beta-lactam antibiotic

Any of the antimicrobial drugs, such as penicillins or cephalosporins, that kill germs by interfering with the synthesis of bacterial cell walls.
Synonym: beta-lactam
See also: antibiotic
References in periodicals archive ?
For betalactam antibiotics, we combined ATC groups J01C (extended-and narrow-spectrum penicillins) and J01D (cephalosporins); macrolides were classified under code J01F.
The cross-reactivity and immunology of betalactam antibiotics.
This therapeutic approach is contrary to current guidelines, which recommend using betalactam antibiotics as first-choice therapy and reserving macrolides only for patients allergic to betalactams.