GI

Question 1

Treatment of choice in ETEC diarrhea

Answer 1

Ciprofloxacin 750 mg OD x 1-3 days
Rifaximin 200 mg TDS x 3 days
Azithromycin 500 mg OD x 3 days

Question 2

Treatment of choice in vibrio cholera diarrhea

Answer 2

Doxycycline 300 mg OD x 1 day
Azithromycin 500 mg OD x 3 days
Ciprofloxacin 750 mg x 3 days

Question 3

Treatment of choice in campylobacter-related dysentery

Answer 3

Azithromycin 500 mg OD x 3 days
Ciprofloxacin 750 mg OD x 7 days

Question 4

Treatment of choice in non-typhoidal salmonella dysentery

Answer 4

Ciprofloxacin 750 mg OD x 7-10 days
Ampicillin 250-500 mg QDS x 7 days
Azithromycin 500 mg OD x 7 days
Bactrim 960 mg BD x 7 days

Question 5

Treatment of traveler’s diarrhea

Answer 5

Ciprofloxacin 750 mg OD x 1 day
Levofloxacin 500 mg OD x 3 days
Rifaximin 200 mg TDS x 3 days
Azithromycin 500 mg OD x 3 days

Question 6

Treatment of choice in shingellosis

Answer 6

Similar to salmonella dysentery but treatment duration may be shorter with macrolides/quinolones

Question 7

H. pylori standard therapy

Answer 7

14 days treatment:

• PPI BD
• Clarithromycin 500 mg BD
• Amoxicillin 1 g BD or Metronidazole 500 mg TDS

Question 8

H. pylori quadruple therapy

Answer 8

10-14 days treatment:

• PPI BD
• Bismuth substrate 120-240 mg QDS
• Tetracycline 500 mg QDS or doxycycline 100 mg BD
• Metronidazole 500 mg TDS or QDS