A Case of Familial Polyuria

An 18-year-old male transferred to a local chronic kidney disease clinic. He has a history of polyuria since birth. He voids once about every 2 hours including overnight. He has chronic polydipsia and he has drunk up to 2 gallons of water per day for as long as he can remember.

His current medications include hydrochlorothiazide 100 mg daily and indomethacin. ...