A full history taken by the doctor and a complete physical examination should give him a good idea whether the condition is the usual form of bed-wetting or due to disease.
Examination of the urine by testing for protein and sugar and looking at it under the microscope is the only special test necessary.
Most cases are primary and have never been dry for longer than, at most, a month. Those secondary cases who have achieved control for months, or even years, and then relapsed are usually due to some emotional upset such as separation or the arrival of a new baby. These cases usually respond to counselling.
“ But, done consistently, it certainly gives dry sheets — and there is the possibility that he will grow out of bed-wetting.
Dehydration — that is, by restricting fluids in the evening — is another method widely used but is of little benefit.
Sometimes, both the parents and the child are satisfied by a full explanation and reassurance and no further treatment is needed. They are prepared to wait until time effects a cure.
In the past, several drugs were used, but with only moderate success.