Micro/Path: Antibiotics

Question 1

Antibiotic of choice for standard prophactic regimen of antibiotic coverage for prevention of bacterial endocarditis is

Answer 1

amoxicillin

Question 2

Before a dental procedure for people with valvular heart disease or congenital cardiac defects we should give amoxicillin in the following dose:

a. adults = __g __ minutes prior to appointment
b. children?

Answer 2

a. adults = 2.0g, 30-60 min before the procedure

b. children = 50mg, 30-60 min before the procedure

Question 3

If allergy to amoxicillin we can give

Answer 3

clindamycin, clarithromycin, cephalexin, or azithromycin

Question 4

1. clindamycin dose

Answer 4

a. adults = 600mg orally 30-60 min before the procedure

b. children = 20mg orally, 30-60 min before the procedure

Question 5

amoxicillin, clindamycin, clarithromycin, cephalexin, or azithromycin = which have the same dosage req?

Answer 5

1. amoxicillin and cephalexin both
   a. adults = 2.0g, 30-60 min before the procedure
   b. children = 50mg, 30-60 min before the procedure
2. azithromycin and clarithromycin both
   a. adults = 500mg, 30-60 min before the procedure
   b. children = 15mg, 30-60 min before the procedure
3. clindamycin:
   a. adults = 600mg orally 30-60 min before the procedure
   b. children = 20mg orally, 30-60 min before the procedure

Question 6

mnemonic for antibiotic dosing

Answer 6

think:
Am and Cef = 2g/50mg
azi and clare = 500mg/15mg
Clinda = 600mg/20

Question 7

T/F angular chelitis (bilateral ulcers at corner of mouth) has been linked to C. Albicans

Answer 7

True

Question 8

which antibiotic is used cautiously due to its side effects (pseudomembranous colitis, sever GI upset)

Answer 8

clindamycin