An inherited abnormality of the urinary tract . Minor abnormalities of the kidneys, bladder and all the tubing are quite common and may be associated with urinary problems such as infection and incontinence. Occasionally urinary problems are the first sign of this condition although there are usually other symptoms such as intense thirst and passing urine more often, tiredness and weight loss. Looking at sugar levels in the urine easily tests for it. Try hard not to make a big fuss or get cross.
Reassurance is very effective in calming anxiety and often alone can improve the problem.
Never tease him about it. Help your son to develop a regular habit of going to the loo at set intervals such as every hour or two, even if he doesn't feel he needs to go. Make sure he takes some spare clothes to school inconspicuously tucked into in his gym bag. If you are worried that there may be a cause, go back and talk to your doctor again. Visit our extensive Ask the Doctor library of all previously asked questions and answers covering a wide range of topics.