Why does my child wet the bed?

Bed wetting in children who are old enough to have bladder control is usually the result of a variation in normal bladder neurological development. In bed wetters the signal to wake when the bladder is full is weak or inoperative and the bladder reflex system allows automatic, involuntary voiding when the bladder fills above a certain level. In some cases bed wetting children may also not produce enough ADH (anti-diuretic hormone) to reduce night-time urine production so they can sleep through the night. In a minority of cases bed wetting is caused by anatomic, urological or neurological defects. If you have any concerns it always pays to check with your doctor.

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