To drink mineral water and soft diet, also at least you need to have stools for ova and parasites at the beginning of the first episode

This depends entirely on WHY you have the issue. It can be anything from certain foods to stress. I would recommend a thorough exam from your primary care doctor and perhaps even an evaluation from a gastroenterologist

Chronic diarrhea requires a good differential diagnosis. For this, just a question is not enough. Medical, social history, travel history, and a battery of tests.

Sorry,