I'll post this one in case mrsD doesn't get back right away.

http://www.nlm.nih.gov/medlineplus/e...cle/000246.htm
Irritable bowel syndrome
Alternative Names
Spastic colon; Irritable colon; Mucous colitis; Spastic colitis

Edited to add: I hope you are feeling a lot better than earlier.
It would be very worrying to become ill overseas and away from home.
It's natural to be anxious, but please see a doctor or call someone if you start to feel worse.

Stay away from the spicy chorizo and chicken that's 3 days old!