Enuresis is the medical name for the involuntary passing of urine and the most common form of enuresis, i. e. that which occurs at night, simply referred to as bedwetting.
The medical definition of nocturnal enuresis is bedwetting over the age of five years. Primary nocturnal enuresis is when a child has never developed complete night-time bladder control. Secondary nocturnal enuresis is when a child suffers bedwetting after having been continually dry for more than six months.
