Fortunately, if you do suffer, it is possible to treat yourself. The key is to keep hydrated. Dehydration can be serious, especially for infants, children, and the elderly. Eat what you can, but avoid dairy products. Many people try to stop diarrhea as soon as it develops.
Diarrhea is the body's way of getting rid of whatever food, virus, or bug that is causing it.
If you are staying in one place for a few days, it's best to let nature take its course. However, that's not always possible, especially if you are touring. Just follow the instructions on the label. These medications coat the stomach and intestinal linings, which may block absorption of prescription drugs rendering them ineffective. Children, anyone with a medical condition, and anyone taking prescription medication should seek their doctor's advice before taking these remedies.