Travel
3 or more unformed stools per 24 hours
Plus (at least 1 of the following):
Abdominal cramps
Tenesmus
Nausea
Vomiting
Fever
Fecal urgency
Abdominal cramps
Tenesmus
Nausea
Vomiting
Fever
Fecal urgency
Traveler's diarrhea
Viral 
Cholera
Bacterial
HIV diarrhea
Campylobacter
Acute gastroenteritis
Shigella