How to differentiate a true polydipsia or polyuria from psychogenic polydipsia

Previous Post- Approach to Polyuria

True PolydipsiaPsychogenic polydipsia
Desperate for waterBottle/Sipper addiction
Will drink anything offeredPreference for juices and sweetened drink. May refuse water
Waking at nights for waterSleeps through night
Polyuria irrespective of water intakeUrine output proportional to fluid intake
Failure to thriveThriving well

Next Post When to suspect diabetes insipidus in children with polyuria

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