GASTROENTEROLOGY ARTICLE OF THE WEEK
September 23, 2010
Dupont HL. Traveling internationally – avoiding and treating traveler’s diarrhea. Clin Gastroenterol Hepatol 2010;8:490-93
1. Rifaximin for prophylaxis of traveler’s diarrhea
a. The dose is 550mg bid
b. The dose is 200mg bid
c. Prevents 90% of traveler diarrhea cases
d. Protects against giardiasis
e. Has no side effects
2. Which of the following infectious agents is likely to cause persistent infectious diarrhea after traveling (lasting >14 days) :
a. Enterotoxigenic E. coli
b. Cyclospora
c. Coronovirus colitis
d. Giardia
e. Cryptosporidum
True or False
3. Vomiting and diarrhea in a traveler is usually caused by a viral etiology
4. Azithromycin is the drug of choice to treat febrile dysenteric traveler’s diarrhea, a single 1,000mg dose is effective
5. Post infectious IBS usually resolves in 6-12 months
6. Most cases of traveler’s diarrhea are viral in origin
7. Traveler’s diarrhea usually result in an osmotic-type diarrhea
8. Norovirus is the most common cause of viral-induced traveler’s diarrhea
9. E coli –associated traveler’s diarrhea often presents as dysentery
10. The dose of rifaximin to treat traveler’s diarrhea is 200mg tid for 3 days