Multiple causes: "montezuma's revenge" is a lay term for travelers' diarrhea, which can occur from infection by a variety of bacteria and parasites. Since there's no single cause, you can get travelers' diarrhea more than once on a single trip.
Answered 2/18/2013
5.6k views
May get sick again: You may get re infected with bacteria from water or food sources.
Answered 3/15/2013
5.2k views
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