Other causes of overactive bladder in children include:
- Consumption of caffeine, which increases urine output and can cause spasms in the bladder muscle
- Consumption of ingredients that a child may be allergic to
- Events that cause anxiety
- Infrequent urination (holding urine for too long a period of time)
- Small bladder capacity
- Structural abnormalities in the bladder or urethra
- Constipation