Bedwetting in children is common, and it is considered part of normal development until about age five. Even after that age many children still wet the bed, and most outgrow it with time. It is worth seeing a pediatric specialist when bedwetting continues beyond age five or six and bothers the child or the family, when a child who was dry for many months starts wetting again, or when there are symptoms during the day as well. The doctor checks for a medical cause, explains to parents and child what is happening, and chooses a treatment that shortens the road to dry nights.
Until what age bedwetting is considered normal
Bladder control develops gradually, and daytime control comes first. Night-time control arrives later, and children differ widely. At age five a considerable share of children still wet the bed sometimes, and with each passing year some of them become dry with no treatment at all. Boys wet more than girls, and heredity plays a large part: when one parent wet the bed as a child, the chance that the child will do so is much higher, and when both parents did, it is higher still.
Doctors distinguish between two situations. Primary bedwetting is wetting in a child who has never been dry at night for a long stretch, and it is the usual form. Secondary bedwetting is a return to wetting after at least six months of dry nights. The distinction matters, because in secondary bedwetting the doctor looks more closely for a new cause, medical or emotional.
Why children wet the bed at night
Bedwetting is not the result of laziness, poor parenting or simply drinking too much. In most cases it comes from a combination of three physical factors that mature at a different pace in each child. The first is increased urine production at night: in some children the hormone that reduces urine production during sleep is not yet released in sufficient amounts. The second is a bladder that behaves at night as if it were small and contracts before it is full. The third is difficulty waking: the brain does not yet respond to the signal that the bladder is full, and the child carries on sleeping deeply.
There are also factors that make things worse and are worth identifying. Constipation is the most important: a full bowel presses on the bladder and interferes with its function, and treating constipation alone sometimes improves the wetting. Snoring and disturbed breathing during sleep, a lot of drinking in the evening and drinks containing caffeine can contribute too.
When bedwetting justifies a medical work-up
Most children who wet the bed are completely healthy. Still, some signs point to a medical cause and justify an early examination, without waiting for the problem to pass on its own:
- A return to wetting after six months or more of dry nights.
- Urgency, frequency, leaks or obvious holding during the day as well.
- Pain or burning when passing urine, or cloudy urine with an unusual smell.
- Increased thirst and drinking, weight loss or unusual tiredness.
- Long-standing constipation or soiling.
- Regular snoring and pauses in breathing during sleep.
- A change in walking or weakness in the legs.
These signs can indicate a urinary tract infection, diabetes, an overactive bladder, a sleep-related breathing problem and, in rare cases, a neurological problem. Even with none of them, bedwetting that continues after age six and damages the child’s self-confidence, stops them sleeping at friends’ homes or weighs on the family is a good reason to seek help.
What the pediatrician checks at the visit
The assessment is simple in most cases and involves no unpleasant tests. The doctor asks about drinking and toilet habits during the day, how often the wetting happens, bowel movements, sleep and family history. The doctor also asks about events in the child’s life, such as moving home, the birth of a sibling or difficulty at preschool or school, especially in secondary bedwetting. A physical examination follows, including the abdomen, the lower back and the legs.
A simple urine test is the central test, and it rules out infection and diabetes. Sometimes the doctor asks parents to keep a diary at home for a few days, recording how much the child drinks, when they pass urine and how much. The diary reveals a great deal about how the bladder works. Further tests, such as an ultrasound of the urinary tract, are needed only when there are daytime symptoms or a finding on examination, and the doctor refers for them, or to an appropriate specialist, as needed.
The accepted treatments for bedwetting
The first step is explanation and reassurance. A child who understands that their body has simply not finished maturing, and that it is not their fault, cooperates better. Alongside this come habits: drinking enough in the morning and at midday and less in the evening, passing urine regularly during the day and before bed, and treating constipation where it exists. Punishment and shaming are harmful and do not shorten the process.
The most effective behavioural treatment over the long term is a bedwetting alarm, a small device with a sensor that detects the first drop of urine and wakes the child. It requires several weeks of persistence and the cooperation of parents, who need to help the child wake up in the first weeks. In many children it teaches the brain to respond to a full bladder, and the result lasts after the device is no longer used.
There is also a medication that reduces urine production at night. It works quickly, which makes it especially suitable for a school trip, summer camp or a sleepover, and also as longer-term treatment for children who produce a lot of urine at night. When it is stopped the wetting may return, so the decision about how to use it and when to stop is made with the doctor. When the bladder is overactive, the doctor may suggest a different type of treatment or a combination.
In the meantime, a few simple steps make life at home easier: a mattress protector, spare bedding kept next to the bed, and involving the child in changing the sheets with no anger and no remarks. Keep the subject within the close family and avoid discussing it in front of siblings or friends. A child who feels their parents are on their side comes to treatment with more motivation, and that motivation is an important condition for success.
When to see a pediatric specialist
Book an appointment when bedwetting continues beyond age five or six and the child or family want to treat it, when wetting returns after a long dry period, when there are daytime symptoms, and when a treatment already tried has not helped. Prompt attention is needed when unusual thirst appears together with passing a lot of urine and weight loss, when there is fever with pain on passing urine, or when walking changes. Do not wait in those situations.
Parents who want an orderly assessment can see the private pediatric specialists in Modi’in at EliteMed in the Ayala 360 complex, with no referral needed. If your child also complains of tummy aches, read our guide to recurrent tummy pain in children, and if attention and concentration are a concern, read about the ADHD assessment for children in Israel. The information here is general and does not replace an individual medical assessment.
Frequently asked questions
From what age is bedwetting a problem worth treating?
Until age five, bedwetting is part of normal development. After age five or six you can seek an assessment and treatment, especially when it bothers the child, affects their self-confidence or weighs on the family. Not every child has to be treated, but there is no reason to wait for years when effective treatments can shorten the process.
Should I wake my child at night to use the toilet?
Waking the child can save wet sheets, but it does not teach them to wake on their own, because they wake according to the parents’ clock and not the signal from the bladder. A bedwetting alarm works differently: it wakes the child at the very moment wetting begins, so it has a learning effect that lasts over time.
Is bedwetting caused by an emotional problem?
In primary bedwetting, in a child who has never been dry at night, the cause is almost always physical and developmental. In secondary bedwetting, which appears after a long dry period, a stressful event can be one of the causes, so the doctor also asks about changes in the child’s life. In both cases the wetting itself affects how the child feels, which is why treating it matters.
Should drinking be restricted in the evening?
It is recommended to spread fluids so that most are taken in the morning and at midday, and to reduce them in the two hours before sleep. There is no need to withhold drinks entirely, and a thirsty child should drink. It matters more to pass urine before bed, avoid drinks with caffeine and treat constipation, which is a common aggravating factor.
How long does treatment with a bedwetting alarm take?
It usually takes several weeks before a change is seen, and treatment continues until there is a long run of dry nights. In the first weeks parents need to help the child wake when the device sounds. Persistence is the key to success, and the doctor follows the process and decides when it can stop or whether another treatment should be added.