Translation guide
Expressing that someone has diarrhea in Japanese. The most common and neutral way is to use the noun 下痢 (げり) with the verb する or です. There are also more casual or euphemistic expressions.
To state that someone has diarrhea in a neutral, everyday context.
The most standard way to say 'have diarrhea'. Literally 'do diarrhea'. Used in both spoken and written Japanese.
I've had diarrhea since yesterday.
The child had diarrhea.
A more direct, noun-based statement. Often used when describing symptoms to a doctor or in a simple declaration.
The symptom is diarrhea.
I have diarrhea now.
A softer, euphemistic expression meaning 'stomach is loose'. Commonly used in casual conversation.
I have a bit of an upset stomach (diarrhea).
To express having diarrhea in very informal or slangy ways.
Literally 'drop the stomach'. A somewhat rough or masculine expression. Often used in casual speech.
I ate too much and got diarrhea.
Onomatopoeic slang for diarrhea, from the sound of liquid stool. Very casual, often used among friends or in manga.
I had the runs yesterday.
To describe diarrhea in a medical or formal context.
Medical term for diarrhea as a condition or illness. Used in clinical settings.
Patients with diarrhea are increasing.
Do not directly translate 'have diarrhea' as 下痢を持っている (げりをもっている). This is unnatural. Use 下痢をする or 下痢です instead.