Child Kidney Dis.  2018 Oct;22(2):67-70. 10.3339/jkspn.2018.22.2.67.

Primary Polydipsia in Children: Two Case Reports

Affiliations
  • 1Department of Pediatrics, Chonbuk National University Medical School, Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Korea. children@jbnu.ac.kr

Abstract

Primary polydipsia (PP) is marked by an increase in thirst, and most often presents in patients with psychiatric illnesses. Although uncommon in children, we experienced cases of PP in a 15-month-old boy and a 5-year-old girl. Both were admitted to the hospital with symptoms of polydipsia and polyuria that appeared 1-3 months before admission. Brain magnetic resonance imaging in both patients was normal. A water restriction test was performed after hospitalization and showed normal results. The symptoms improved after the parents were instructed to implement water-intake restriction for 2 weeks. Our report provides useful information for the treatment of PP in children.

Keyword

Primary polydipsia; Diabetes insipidus; Children; Water restriction

MeSH Terms

Brain
Child*
Child, Preschool
Diabetes Insipidus
Female
Hospitalization
Humans
Infant
Magnetic Resonance Imaging
Male
Parents
Polydipsia
Polydipsia, Psychogenic*
Polyuria
Thirst
Water
Water
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