Nocturia refers to the passage of urine at night. It is a common problem, increasing with age, and can be bothersome to individuals experiencing even one episode of nocturia per night. Nocturia is also one of the most bothersome lower urinary tract symptoms and has a significant impact on quality of life.
|Article||Addressing Nocturia in Seniors, Vital Link; 2007 Spring/Summer|
An appropriate workup to investigate the common causes nocturia is required to initiate proper treatment.
The etiology of nocturia is complex and depends on the conditions with which it is associated. There are however several causal factors that can lead to nocturia on their own.
- Food intolerances can cause or aggravate nocturia.
- Excessive intake of fluid in the evening or before going to bed may cause nocturia.
- Increased consumption of alcohol may lead to nocturia.
- Caffeine intake is associated with increased frequency of nocturia.
- Foods or drinks high in sugar can worsen nocturia.
- Urinary voiding habits that involve straining or not voiding regularly can increase the risk of nocturia with age.
- Mental Health
- Prescription Medications
- A 24 hour urine collection can be used to assess the proportion of daily volume produced at night, and to identify if polyuria is the underlying cause of nocturia.
- Laboratory studies to rule out possible underlying conditions as listed below may be necessary.
- Nocturia generally occurs due to increased production of urine at night (polyuria) or low functional bladder capacity or through a combination of both.
It is important to identify the root cause and associated conditions in order to treat effectively. Some of the treatments that are specific to nocturia include:
- Ensure adequate voiding during the day.
- Limit the amount of fluids a couple of hours prior to bedtime.
- As the kidneys function optimally when you are lying down, Spend time later in the afternoon lying down with your legs raised in order to decrease the production of urine at night.
- Ensure regular exercise every day.
Reviewed by Iva Lloyd, BScH, RPE, ND 
- Drake M (2011) Wein:Campbell-Walsh Urology 10th ed Chap 67 Nocturia Saunders
- Carter C, Stallworth J, Holleman R (2011) Rakel: Textbook of Family Medicine 8th ed Chap 40 Urinary Tract Disorders Saunders
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- Asplund R, Johansson S, Henriksson S, Isacsson G (Apr 2005) Nocturia, depression and antidepressant medication. BJU Int.;95(6):820-3. PMID: 15794790.