How long does Diarrhoea last?

It will depend on what type. The typical mild travellers diarrhoea lasts about 3-5 days.

Watery diarrhoea, which usually strikes within 3 days of arriving in a country, can last for about a week.

Other, more serious illnesses such as Giardia come on suddenly and explosively and can last between 2-6 weeks!

If you experience any of the following symptoms it is important that you contact a doctor:

Passing more than 6 times a day
Vomiting
Fever
Passing blood
Diarrhoea lasts more than 7 days
Severe dehydration (very weak, sunken eyes, dry skin, drowsiness, less urine than normal)