Any causes of salt and water loss, e.g. vomiting and diarrhoea, should be treated.
Normal saline infusion will then make good any salt and water deficits.
When polyuria is secondary to ADH deficiency, give 5 units of aqueous pitressin subcutaneously with enough normal saline to replace salt losses.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page