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  2. Cephalosporin - Wikipedia

    en.wikipedia.org/wiki/Cephalosporin

    For example, the fourth generation of cephalosporins is not recognized as such in Japan. [citation needed] In Japan, cefaclor is classed as a first-generation cephalosporin, though in the United States it is a second-generation one; and cefbuperazone, cefminox, and cefotetan are classed as second-generation cephalosporins.

  3. Cefepime - Wikipedia

    en.wikipedia.org/wiki/Cefepime

    Cefepime is a fourth-generation cephalosporin antibiotic.Cefepime has an extended spectrum of activity against Gram-positive and Gram-negative bacteria, with greater activity against both types of organism than third-generation agents.

  4. Discovery and development of cephalosporins - Wikipedia

    en.wikipedia.org/wiki/Discovery_and_development...

    the basic structure of 2nd generation cephalosporins. Early second generation cephalosporins are very similar in basic structure to the first generation. Loracarbef however does not have the normal dihydrothiazine ring but is a carbacephem that has a carbon atom in the ring instead of a sulfur atom making it a tetrahydropyridine ring.

  5. Cefpirome - Wikipedia

    en.wikipedia.org/wiki/Cefpirome

    Cefpirome is a fourth-generation cephalosporin. Trade names include Cefrom, Keiten, Broact, and Cefir. Trade names include Cefrom, Keiten, Broact, and Cefir. Cefpirome is considered highly active against Gram-negative bacteria , including Pseudomonas aeruginosa , and Gram-positive bacteria .

  6. Cefquinome - Wikipedia

    en.wikipedia.org/wiki/Cefquinome

    Although fourth-generation cephalosporin resistance is very rare, they are active against bacteria carrying the AmpC-type β-lactamase resistance mechanism. Since the late 1990s, the US and EU have surveyed and gathered data for fourth-generation cephalosporins for both human and veterinary use.

  7. List of β-lactam antibiotics - Wikipedia

    en.wikipedia.org/wiki/List_of_β-lactam_antibiotics

    The β-lactam core structures. (A) A penam.(B) A carbapenam.(C) An oxapenam.(D) A penem.(E) A carbapenem.(F) A monobactam.(G) A cephem.(H) A carbacephem.(I) An oxacephem. This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class.

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  9. Cefoselis - Wikipedia

    en.wikipedia.org/wiki/Cefoselis

    Cefoselis is a fourth generation cephalosporin. It is used extensively in Japan and China in the clinical treatment of various gram positive and gram negative infections. A 2014 study illustrated that Cefoselis is effective at treating respiratory and urinary tract infections. [1]