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{{r|Lactam}}

{{r|lactam}}

|properties=cephalosporin beta-lactam ...ke other cephalosporins and the penicillins, cefpodoxime contains a beta-[[lactam]] as the active functional group, subject to ring opening and irreversible

|properties=beta-lactam ...sub>S₂ and molecular mass 480.5611 g/mol. It contains a [[beta-lactam]] moiety that is also present in other cephalosporins and [[penicillin]]s,

{{r|lactam}}

|properties= beta-lactam ...lin''' or '''benzylpenicillin''', a [[penicillin]] derivative, is a beta-[[lactam]]-based [[antibiotic]] drug used to treat severe infections from most Gram-

|properties=beta-lactam ...illin V''', or '''phenoxymethyl penicillin''', is a broad-spectrum, beta-[[lactam]]-based [[antibiotic]] used to treat mild to severe infections due to Gram-

...xacin, is different from that of other antimicrobial agents such as [[beta-lactam]]s, [[macrolide]]s, [[tetracycline]]s, or [[aminoglycoside]]s; therefore, o

|properties=beta-lactam Ampicillin is a penicillin beta-lactam antibiotic used to eliminate susceptible, usually Gram-positive, organisms.

[[Penicillin]]s have a common beta-[[lactam]] base structure, as shown, where R represents different chemical groups. ...ins, and some other antibiotics are due to the presence of a [[lactam|beta-lactam]], which binds irreversibly, via acylation, to penicillin-binding proteins,

...ectrum [[antibiotic]] of the [[carbepenem]] class, which contains a [[beta-lactam]] ring structure but is not considered a member of the [[penicillin]] or [[

* [[Lactam]]s: [[Lactam#Synthesis|preparation]] - [[Lactam#Reactions|reactions]]

The first clinically useful antibiotic, [[penicillin]], of the [[beta-lactam]] class, tended to attack only [[Gram-positive bacteria]].

...mmon multidrug-resistant forms, non-penicillin, non-cephalosporin beta lactam antibiotics of the [[carbapenem]] group, [[imipenem]] and [[meropenem]]. C

{{r|Lactam}}

...of action for quinolones is different from that of [[macrolide]]s, beta-[[lactam]]s, [[aminoglycoside]]s, or [[tetracycline]]s, so organisisms resistant to

...hat about 75% of cases are due to [[Streptococcus pyogenes]] and that beta-lactam antibiotics ineffective against MRSA are effective for cellulitis.<ref name ...damycin alone (A-II) or TMP-SMX or a tetracycline in combination with a β-lactam (eg, amoxicillin) (A-II) or linezolid alone (A-II)."<ref name="pmid2121717

Organisms that produce the enzyme are resistant to virtually all beta-lactam antibiotics except aztreonam. <ref>{{citation

* First, for patients who report reactions to beta-lactam antibioics, give skin tests and do not challenge patients with positive ski

...poulos, G., & Falagas, M. E. (2008). Fluoroquinolones compared with {beta}-lactam antibiotics for the treatment of acute bacterial sinusitis: a meta-analysis