While most of the children outgrow this condition, others continue wetting the bed up to the age of 6-7 years, which could eventually raise social and psychological issues.
The condition happens more often in boys than in girls, and tends to run in families.
Instead, some of the most common causes of bedwetting include genetic factors, lack of anti-diuretic hormone (ADH) or vasopressin, which is produced normally at night to limit the formation of urine during sleep.
Nighttime bed-wetting could also be caused when a full bladder fails to communicate with the brain to wake up the child or the bladder is too small for his or her age.
Usually, all these common causes are temporary, and resolve as the child matures.
Parents should exercise patience with their child, and understand that their child is not wetting the bed on purpose.
Austin said that the parents should also encourage the child and let him or her know that they will eventually be able to stay dry at night.
Some other steps parents can take include-limiting liquids two hours before bedtime, encouraging the child to go to the bathroom before bed, waking the child during the night to go to the bathroom.
Parents should make sure the child gets enough rest and doesn't get overtired, they should also avoid foods before bed that may cause sensitivity or increase urine production, such as dairy, carbonated drinks, caffeine, chocolate, artificially coloured drinks, candy, licorice, citrus and melons.
But if the problem pursues, treatment is recommended, which is tailored for each child.
Behaviour modification techniques, such as a bedwetting or moisture alarm, can help when arousal is a strong component for the cause of bedwetting.
When there is a large amount of urine produced at night by the kidney, a synthetic antidiuretic hormone medication called desmopressin can be prescribed to decrease the amount of urine produced.
When the bladder appears to be small, another medication to help the bladder relax and hold more urine may be used or combined with the antidiuretic hormone medication.
"Children who take medication for the condition can take a break from the medication after six months. Within a week or two, families can quickly determine whether the child has outgrown the problem. If not, medication is prescribed for another six-month cycle. Over time, the bedwetting will eventually stop," said Austin.
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