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 ?
pneumoniae (PNSP), studies have demonstrated that at the individual level, previous use of betalactam antibiotics such as penicillin is an important risk factor (8-10).
CoNS are gaining importance due to increase in resistance rates to betalactam antibiotics and multi drug resistance.
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.
The higher prevalence of MRSA in the present study may be due to indiscriminate use of betalactam antibiotics as the drug of choice for the treatment of subclinical and clinical mastitis in animals.