How common is diarrhoea in rotavirus infection?

Rotavirus affects the digestive tract and can cause frequent loose or watery stools. Vomiting may happen early in the illness, which can make replacing lost fluid harder. Although diarrhoea is very common among people with rotavirus infection, diarrhoea itself can arise from many infections and non-infectious causes.

The priority is replacing fluid and salts. Offer or take small amounts often; an oral rehydration drink may be easier to tolerate than a large drink. Continue usual feeding for babies if they will feed, and keep the person away from shared food preparation. Thorough handwashing with soap and water helps limit spread within the household.

Arrange urgent assessment if a child is unusually sleepy, has a dry mouth, produces very little urine, or cannot keep fluids down. Blood in the stool, severe belly pain, fainting, confusion, or a worsening fever also need prompt medical attention. Seek advice early for an infant, an older person, or anyone with a condition that makes dehydration more concerning.

You might ask how to judge dehydration at home, whether an oral rehydration drink is suitable, and what symptoms would suggest a cause other than rotavirus.