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A 34 y/o caucasian male presents to he office with a 4 wks hx of diarrhea.He just returned from a trip to south America, where he developed foul-smelling stools, abdominal cramps and bloating.A 3-day course of ciprofloxacin did not relieve his symptoms.his vital signs are within normal limits.Physical examination shows no abnormalities.which of the following is the most appropriate next step in management?

A-schedule colonoscopy
B-Obtain CT scan of abdomen
C-Prescribe oral metronidazole
D-Prescribe another course of ciprofloxacin
E-Prescribe oral ampicillin

C?

CC

hi papanicolaou same timing... jinx. lol

Cc

CC sounds like Giardia lambia

cc

CC

C

"C" is Correct.

Dx: Giardiasis