Diarrhea can be caused by a bacteria or virus. Dysentery is a bacterial infection. By taking a teaspoon of structured silver in the morning and at night, you can prevent these infections.If you already have diarrhea or dysentery, you should swallow two teaspoons every hour for the first eight hours. The structured silver will help in as little as four hours. Complete improvement may take up to two days. Acidophilus can also be used.