Does drinking black coffee give you diarrhea?

Drinking black coffee in moderation generally does not cause diarrhea, but it may lead to diarrhea in the case of drinking black coffee on an empty stomach, black coffee allergy, and basic stomach diseases.
1. Drinking black coffee on an empty stomach: if you drink too much black coffee on an empty stomach, the caffeine in black coffee may stimulate the gastrointestinal peristalsis and accelerate the speed of gastrointestinal peristalsis, which may lead to abnormal digestive function and diarrhea after drinking black coffee.
2. Allergy to black coffee: allergy to the caffeine in black coffee may lead to edema of the mucous membrane of the gastrointestinal tract, causing gastrointestinal peristalsis to increase, resulting in diarrhea after drinking black coffee.
3. Basic stomach diseases: when there are basic stomach diseases, the caffeine in black coffee may cause some damage to the gastrointestinal mucosa, resulting in diarrhea.
If diarrhea occurs after drinking black coffee, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment, to avoid delaying the condition.

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