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 ?
10,11] Pseudomonas also showed a maximum sensitivity to penicillin derivatives (Piperacillin/Tazobactam) in our study as already reported in other International studies.
However, some individuals using both oral contraceptives and certain oral antibiotics, such as tetracycline and penicillin derivatives, had significant decreases in the concentration of the contraceptive hormone ethinyl estradiol in their blood and appeared to ovulate, putting them at some risk of pregnancy.
Meanwhile, the most consumed of penicillin derivatives are ampicillin and amoxicillin trihydrate.
Labels frequently carry brand names you might not recognize--Dynapen, Wymox, and Augmentin, to name a few, are all penicillin derivatives.
Beta-lactams are a broad class of antibiotics that includes all penicillin derivatives, cephalosporins, cephamycins and carbapenems.
Contract awarded for Antibiotics Penicillin Derivatives
If infection is suspected to have begun in the second or third trimester, she said she uses only oral antibiotics--mainly penicillin derivatives.