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Home > Wellness > Health Library > Desmopressin for Bed-Wetting
Desmopressin acts on the kidneys to
reduce the amount of urine produced at night. Its effects last about 7 to 12
Desmopressin is used in the
treatment of bed-wetting (primary nocturnal enuresis) in children
age 6 and older. Desmopressin may be used for some children when other
treatments have been unsuccessful. It may also be used on a temporary basis,
such as when a child has a special overnight event.
Desmopressin is usually effective
when used for a short period of time, such as during times of emotional
stress or during overnight trips or camping
Children who wet the bed 4 nights a week or more can expect
to have fewer wet nights when they take desmopressin.
with a family history of bed-wetting seem to have more success with
desmopressin than with other treatments.
Most children have fewer
nights with accidental wetting when taking desmopressin. But wetting tends to
start again after they stop taking the medicine. Desmopressin usually does not
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine your child takes. Side effects are also listed in the information that comes with the medicine.
Here are some important things to think about:
Call 911 or other emergency services right away if your child has:
Call your doctor if your child has:
Side effects of desmopressin are not
common but may include:
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
A very rare but serious side effect of desmopressin is
severe water retention that causes an imbalance of sodium and water in the body
(called water intoxication, or hyponatremia). Water intoxication can lead to
coma or death. Some signs of water intoxication are drowsiness (lethargy),
vomiting, and nausea. To avoid this serious side effect, children taking
desmopressin should not drink more than
8 fl oz (0.2 L) of liquids
during the 2 to 3 hours just before bedtime.
Do not give
desmopressin to a child who has an illness that could cause a water and/or an
electrolyte imbalance, such as a fever, diarrhea or
vomiting, the flu, or a bad cold. Talk to your doctor to find out when it is
safe to give desmopressin to your child.
Medicine is one of the many tools your doctor has to treat a health problem. If your child takes medicine as your doctor suggests, it will improve your child's health and may prevent future problems. If your child doesn't take the medicines properly, his or her health (and perhaps life) may be at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Complete the new medication information form (PDF)new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
October 24, 2012
Susan C. Kim, MD - Pediatrics & Thomas Emmett Francoeur, MD, MDCM, CSPQ, FRCPC - Pediatrics
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