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Urology. 1999 Feb;53(2):405-8; discussion 408-9.

Primary nocturnal enuresis: a new approach to conditioning treatment.

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  • 1Urology Department, Assiut University Hospital, Egypt.



Conditioning treatment is the most effective therapy for nocturnal enuresis, precluding the use of drugs. An ordinary alarm clock can be used as an enuresis alarm. We sought to assess its clinical utility as a new means of conditioning treatment.


Using the ordinary home alarm clock, 125 enuretic children were enrolled into two treatment groups. Group I included 70 children who set the alarm so as to get up and void in the toilet at a critical time when the bladder was full and they were still dry. Group II included 55 children who used the alarm to be awakened for voiding after 2 to 3 hours of sleep regardless of whether they were dry or wet. All children were motivated to use the alarm clock continuously for 4 months.


Initial success was achieved in 54 (77.1%) of 70 group I and 34 (61.8%) of 55 group II children. Three months after treatment was stopped, success was still maintained in 46 (65.7%) and 31 (56.4%) children in groups I and II, respectively, but dropped to 41 (58.6%) and 29 (52.7%), respectively, after 6 months. The relapse rate after 3 and 6 months was 14.8% and 24.1% for group I and 8.8% and 14.7% for group II, respectively.


The ordinary alarm clock performs as well as currently used enuresis alarms. It is an effective, elective, noncontact alarm that does not wait for bedwetting to initiate a conditioning reflex. It is both reliable and safe.

[PubMed - indexed for MEDLINE]
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