A condition brought about by the loss of significant quantities of fluids and salts from the body.
- Vomiting and/or diarrhoea
- Decreased fluid intake
- Excessive loss of fluids, e.g. due to polyuria in diabetes,
excessive sweating as in high fever, burns
- Apathy, sunken eyes/fontanel, loss of skin turgor (especially in children)
- Hypotension, tachycardia, deep (acidotic) breathing, dry mucosae, poor or no urine output