Few things can disrupt a tropical getaway faster than the sudden onset of stomach cramps, nausea, and frequent trips to the bathroom. Commonly known as "Bali Belly," this form of traveler's diarrhea affects many visitors to Indonesia. While it is often self-limiting, it can easily disrupt your plans for several days. When looking for relief, you'll likely come across advertisements for mobile intravenous (IV) therapy services throughout the island. But do you actually need an