[header] How to treat traveler's diarrhea [title] Replace your fluids. [step] The most critical part of home treatment for traveler's diarrhea is to replace fluids. Drink lots and lots of water, at least two to three quarts a day. 
This is the best fluid to put into your body when you have traveler's diarrhea. You can also drink diluted fruit juices, green, black, or herbal tea, or clear chicken, vegetable, or beef broths.