PROBLEM SOLVING IN CLINICAL PRACTICE
Polyuria, polydipsia, polypopsia: "Mummy I want a drink"
Department of Paediatric Nephrology, Childrens University Hospital, Dublin, Ireland
Correspondence to:
For correspondence:
Professor D Gill
Childrens University Hospital, Temple Street, Dublin 1, Ireland; gilld@iol.ie
| The first 150 words of the full text of this article appear below. |
Peter, aged 5 months, was taken to his GP with a two-day history of fever, vomiting and diarrhoea. During the preceding hours his mother had been concerned that he was sleeping excessively and was not feeding, which was most unlike him. He was on formula milk and weaning foods and normally had a good appetite. In general he was an irritable infant, often difficult to settle, and rarely slept for more than a couple of hours at a time. He regularly required laxatives for constipation. His mother had tried him on a number of different formula milks and treatments for colic.
He was a full term delivery with a birth weight of 3500 g. His GP had seen him for routine checks and immunisations. On examination he was quiet, pale and thin with a sunken fontanelle and tachycardia. His weight was on the 3rd centile and his length and head
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