Diabetes insipidus - central
Alternate Names : Central diabetes insipidus
Symptoms & Signs
Diagnosis & Tests
A person with central diabetes insipidus produces more than 3 liters of urine a day. Urinalysis will show a low concentration of salt in the urine.
A water restriction test is used to look at how well the kidney works and how much urine is produced. This test is done during a hospital stay. A weight check, urine collection and a blood test to check sodium concentration are done every hour. The blood sodium concentration may become high if the condition is untreated, and a person is not allowed to drink water. A CT or MRI of the head may show a problem in or near the pituitary gland. A person with central diabetes insipidus produces more than 3 liters of urine a day. Urinalysis will show a dilute urine with a low concentration of salt in the urine.
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