Antibacterials Flashcards
B lactams
Penicillins, B lactamase inhibitors, cephalosporins, carbepenems, monobactams
Antimycobacterials
Isoniazid, rifampin
Penicillinase resistant penicillin spectrum
Nafcillin, oxacillin. Broad Gram + coverage
Carbapenems
Imipenem/cilastatin. Broad Gram +, -, and anaerobes.
Quinolone
MOA: Nuclei acid/chromatin structure inhibitors - inhibits DNA gyrase
Protype - Levofloxacin. [] dep.
Penicillins
MOA: Cell wall synthesis inhibitor
Prototype: penicillin G, ampicillin.
Narrow Gram + and _ coverage
Nucleic acid/chromatin structure inhibitors
Quinolones, metronidazole
Protein synthesis inhibitors
Aminoglycosides, tetracyclines, macrolides, clindamycin, oxazolidinone
Cephalosporins - 3rd gen
Ceftriaxone. Narrow Gram + and broad Gram - coverage.
Cephalosporins - 4th gen
Cefepime. Broad gram + and Gram - coverage.
Nitroimidazole
MOA: Nuclei acid/chromatin structure inhibitors - damages DNA
Prototype: Metronidazole
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Carboxy- and ureidopenicillins
Narrow Gram + and broad Gram - coverage
Cell wall synthesis inhibitors
B lactams, glycopeptides
vancomycin
Macrolides
MOA: Protein synthesis inhibitors, binds 50S rev
Prototype: Azithromycin. Bactericidal/bacteriostatic.
Natural penicillins spectrum
Penicillin G,K: Narrow gram positive coverage
β-lactamase inhibitors
MOA - binds penicillin-binding proteins
Prototype: clavulanic acid
Aminopenicillins
Ampicillin, amoxicillin. Narrow Gram + coverage, also narrow Gram - coverage.
Tetracyclines
MOA: Protein synthesis inhibitors, binds 30S rev
Prototype: Doxycycline. Bacteriostatic.
Aminoglycosides
MOA: Protein synthesis inhibitors, binds 30S irrev
Prototype: Gentamicin. [] dep.
Glycopeptides
MOA: inhibit cell wall synthesis
Prototype: Vancomycin
Antifolates
Sulfamethoxazole/trimethoprim
Clindamycin
MOA: Protein synthesis inhibitors, binds 50S
Prototype: clindamycin. Bacteriostatic.
Cephalosporins - 1st gen
Cefazolin. Broad Gram + and narrow Gram - coverage
Bacteriostatic antibacterials
Tetracyclines
Clindamycin
Oxazolindinone
Macrolides (primarily, variable)
Cephalosporins - 2nd gen
Cefuroxim - narrow Gram + and broad Gram - coverage.
Cefoxitin - anaerobes