Antibacterials Flashcards
Gram+ Bacteria (7)
- Cocci
- Spore forming
- Non-spore forming
Cocci
-Staph, Strep, Entero
Spore forming
-Clostridium, Bacillus
Non-spore forming
-Corneybacterium, Listeria
Sulfonamides
Gram?
Static/cidal?
Fun facts?
Sulfonamides
Gram+ & Gram-
Bacteriostatic
Crystalluria in children; Steven’s Johnson in adults
Trimethoprim
Gram?
Static/cidal?
Fun facts?
Trimethoprim
Gram+ & Gram-
Bacteriostatic
Tx community acquired MRSA
Rifampin
Gram?
Static/cidal?
Fun facts?
Rifampin
TB
Bactericidal
Makes pee orange/red
Quinolones Gram? Static/cidal? Fun facts? Generations?
Quinolones Gram depends on analog Bactericidal Concentration & Time dependent 1st: Nalidixic acid 2nd: Ciprofloxacin, Ofloxacin, Norfloxacin 3rd: Levofloxacin --> Gram+ 4th: Moxifloxacin --> Gram+
Nitrofurans
Gram?
Fun facts?
Nitrofurans
Gram+ & Gram- (except P. aeruginosa)
Used only for UTIs
Methanamine
Gram?
Fun facts?
Methanamine
Gram-
Only for UTI prophy
Metronidazole
Gram?
Static/cidal?
Fun facts?
Metronidazole
Gram+ & Gram- ANAEROBES
Bactericidal
CANNOT drink alcohol
Penicillins (general)
Static/cidal?
Mechanism?
Fun facts?
Penicillins (general)
Bactericidal
Ties up penicillin binding protein (PBP) inhibiting cell wall synthesis
Time dependent
Methicillin Class (Penicillin)
Spectrum?
Drugs?
Fun facts?
Methicillin Class (Penicillin)
Narrow spectrum –> Staph & Strep
Nafcillin, Oxacillin, Cloxacillin
Beta-Lactamase resistant
Amino-Penicillin Class
Spectrum?
Drugs?
Fun Facts
Amino-Penicillin Class
Broad Spectrum
Amoxicillin, Ampicillin
NOT effective against Beta-Lactamases and P. aerugenosa
Anti-Pseudomonal Penicillins
Spectrum?
Drugs?
Anti-Pseudomonal Penicillins Extended spectrum (staph, gram-, and pseudomonas) Carbencillin, Piperacillin, Ticarcillin
Cephalosporins (Beta-Lactams)
Gram?
Static/cidal?
Cephalosporins (Beta-Lactams)
Better against gram-
Bactericidal
Cephalosporin Drugs (Beta-Lactams) 1st Gen: 2nd Gen: 3rd Gen: 4th Gen:
Cephalosporin Drugs (Beta-Lactams)
1st Gen: Cefazolin (gram+ esp. E. coli)
2nd Gen: Increased gram- activity
3rd Gen: Ceftazide (only Pseudomonas), Ceftriaxone
4th Gen: Cefepine (only Pseudomonas), Ceftolozane
Carbapenems (*IMPENEM) (Beta-Lactams)
Gram?
Fun facts?
Carbapenems (*IMPENEM) (Beta-Lactams) Broad spectrum; gram+ & gram- Beta-Lactamase resistant Effective against Pseudomonas & Acinetobacter *Administered with Cilastatin