diarrhoea – when stools (faeces) is less than firm. This can range from loose to being very watery. As a medical condition it is usually also associated with needing to go to the toilet more frequently.

For example, this is commonly defined as three or more liquid/watery faeces over 24 hour period.

See this information from the i-Base guide to side effects for ways to manage and treat diarrhoea.