The purpose of this study is to evaluate whether Smecta® is more effective than placebo with respect to time to recovery following an acute diarrhoea episode.

Inclusion Criteria:

• Acute diarrhoea episode defined as at least 3 watery stools per day for 48 hours or less
• Patient with, usually, normal bowel habits, i.e. at least 3 stools per week and no more than 3 stools per day

Exclusion Criteria:

• Gross blood, pus in the stools
• Fever >39ºC
• Other episode of acute watery diarrhoea within the last 30 days
• History of chronic diarrhoea or motor diarrhoea