словарь английский - английский
- a condition in which liquid faeces are discharged frequently from the bowels на английском языке:
1. 
diarrhoea
he had an attack of diarrhoea
He got diarrhoea when he had food poisoning.
I had diarrhoea last night and had to go to the toilet six times.
He has diarrhoea.
I've got a diarrhoea. I keep going to the toilet.
It is essential to drink a lot of fluids when one has diarrhoea.
After drinking contaminated water it is very likely you will suffer from diarrhoea.
