Nocturia
Keep a diary of how much fluid you drink, how often you urinate, and urine output. Record your body weight at the same times and on the same scale daily.
Make an appointment with your doctor if:
Your health care provider will perform a physical examination and ask questions about your nighttime urination, such as:
Electrolytes and fluids will be monitored over a period of time.
Diagnostic tests that may be performed include:
Treatment depends on the cause. If excessive nighttime urination is due to diuretic medications, you may be told to take your medication earlier in the day.
Asplund R. Nocturia, nocturnal polyuria, and sleep quality in the elderly. J Psychosom Res. 2004 May;56(5):517-25.