Medical and psychological aspects of childhood enuresis

Nocturnal enuresis, or bedwetting, is an involuntary release of urine during sleep in children who have previously achieved bladder control. The condition is described as clinical and hereditary, often linked to the immaturity of the Locus coeruleus in the brain, which affects bladder recognition and vasopressin regulation.

While incidence rates typically decrease as children age—dropping from approximately 15% at age five to 1–2% by age 15—the condition affects about 10% of children between ages 5 and 17. Secondary enuresis, the return of bedwetting after a period of dryness, can be triggered by emotional stress or significant life changes.

Medical experts and psychologists emphasize the importance of emotional support and warn against punitive measures. Research indicates that many children face physical or emotional punishment from parents who mistake the condition for laziness, which can increase anxiety and worsen symptoms. Professionals recommend intervention around age seven to mitigate social embarrassment and emotional distress.

A recent large-scale Danish study conducted by Aalborg University Hospital and Aarhus University Hospital has identified a significant link between nocturnal enuresis and neurodevelopmental disorders. By analyzing medical records of approximately 500,000 children between 1996 and 2023, researchers found that children treated for bedwetting were nearly twice as likely to be diagnosed with ADHD or autism later in life compared to a control group. Specifically, 11.3% of children treated for the condition received such a diagnosis, compared to 5.6% of the control group. Researchers noted that persistent cases not responding to standard treatments may warrant investigation into underlying developmental characteristics.