Antibiotics

Question 1

Describe the antimicrobial spectrum of amoxycillin

Answer 1

• G+
• Some G- (E. coli, Proteus)

Question 2

Describe the antimicrobial spectrum of tazocin

Answer 2

• G+
• Some G- (E. coli, Proteus, Pseudomonas)

Question 3

Describe the antimicrobial spectrum of carbapenems (e.g. merapenem)

Answer 3

Broad spectrum against G+ and G-

Question 4

Describe the antimicrobial spectrum of cephalosporins

Answer 4

1. Cephalexin - narrow G+ only
2. Cefuroxime - G+ and some G- cover
3. Ceftriaxone - G+, G- cover, mostly injectable and include Pseudomonas coverage
4. Cefaxime - Most extended spectrum, used predominantly in neutropaenic sepsis

Question 5

Describe the antimicrobial spectrum of aminoglycosides (gentamicin) and glycopeptides (vancomycin)

Answer 5

• Aminoglycosides - G-
• Glycopeptides - G+

Question 6

Describe the antimicrobial spectrum of quinolones

Answer 6

• Mostly G-

Question 7

Describe the antimicrobial spectrum of macrolides (e.g. azithromycin)

Answer 7

• G+
• Some G- (H. inf, B. pertussis)