Drinking water on an empty stomach in the morning is what causes diarrhea.

Diarrhea is diarrhea. Drinking water on an empty stomach in the morning may be related to excessive drinking water, low water temperature, irritable bowel syndrome, etc.

1. Drinking too much water on an empty stomach

can promote metabolism, but if you drink too much water on an empty stomach in the morning, it may stimulate the gastrointestinal tract, thereby accelerating intestinal motility and causing diarrhea symptoms.

2. If the water temperature is too low

, drinking ice water or cold water may cause abnormal digestive function and is prone to abdominal pain and diarrhea.

3. Irritable bowel syndrome

When suffering from irritable bowel syndrome, intestinal sensitivity is high. Drinking water on an empty stomach in the morning may cause stress diarrhea.