beta-lactam antibiotic

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Related to Betalactam antibiotic: Imipenem, macrolide antibiotic, cephalosporin antibiotic

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.
References in periodicals archive ?
MRSA resistance mechanisms include expression of altered penicillin-binding proteins, which have a reduced affinity for betalactam antibiotics.
The emergence of resistance to betalactam antibiotics due to production of betalactamases in the past two decades has resulted in a major clinical crisis.
intermedius appears to be sensitive to betalactam antibiotics, though some cases of resistance have been reported [13].
Multiple resistance to betalactam antibiotics, azithromycin or moxifloxacin in implant associated bacteria.