Dehydration

Potentially life-threatening state particularly in infants and children often caused by diarrhoea and/or vomiting in the context of acute gastroenteritis. Signs of dehydration include irritability or lethargy, decreased urine output, sunken eyes, absence of tears, warmth of extremities, dry mucous membranes and reduced skin turgor (NICE, 2009, Brandt et al., 2015).