CJK
Yes and no. I'm sure you're thinking from an EMS perspective, ie volume from trauma.

But I could see that, living in the tropics, you're exposed to all sorts of parasites. So something like dysentery, this could be good - you're going to be pouring fluids out with diarrhea and this might keep you going.

But, yes, infections will be a concern. Even with a regular IV.