beta-lactam antibiotic

(redirected from Penicillin derivatives)
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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 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 ?
The penicillin derivatives are "worth the risk," said lead investigator Meghan Jeffres, Pharm.D., of the department of pharmacy practice at Roseman University of Health Sciences in Henderson, Nev.
Skin testing is typically conducted with a mixture of penicillin derivatives that encompass both its major and minor determinants.
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. Last February the Annals of Allergy printed three tragic accounts of individuals who had known antibiotic allergies.
Penicillin derivatives (Piperacillin/Tazobactam) and carbapenem (Imipenem and Meropenem) are the most sensitive antibiotics covering all the organisms isolated in our study.