Bacteriology and Classification of Antibiotics : An Overview

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CLASSIFICATION OF ANTIBIOTICS – SPECTRUM OF ACTIVITY

NARROW	INTERMEDIATE	BROAD
Penicillin G	Aminopenicillins	Tetracyclines
Streptomycin	Cephalosporins (2/3rd generations)	Chloramphenicol
Erythromycin	Fluoroquinolones
	Newer macrolides

CLASSIFICATION OF ANTIBIOTICS – TYPE OF ACTION

BACTERIOSTATIC	BACTERIOCIDAL
Sulfonamides	Penicillins
Tetracyclines	Aminoglycosides
Chloramphenicol	Polypeptides
Erythromycin	Rifampin
Ethambutol	Cotrimoxazole
Clindamycin	Isoniazid
Linazolid	Cephalosporins
	Vancomycin
	Nalidixic acid
	Ciprofloxacin
	Metronidazole
	Pyrazinamide

CEPHALOSPORINS

Generation	Parenteral	Oral
First	Cephalothin Cefazolin	Cephalexin Cephradine Cefadroxil
Second	Cefuroxime Cefoxitin	Cefaclor Cefuroxime axetil Cefprozil
Third	Cefotaxime Ceftizoxime Ceftriaxone Ceftazidime Cefoperazone	Cefixime Cefpodoxime proxetil Cefdinir Ceftibuten Ceftamet pivoxil
Fourth	Cefepime Cefpirome
Fifth	Ceftobiprole Ceftaroline Ceftolozane

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Deepak Kumar Bandari,

Pharm.D Intern,

Vaagdevi College of Pharmacy - India

Elsevier Student Ambassador - South Asia