First off I think you're right son does not have a UTI. I think which her son has simply growing is the foreskin separates from the head of the penis and also from the shaft to some itching the teaching is simply due to the separating also issue son gets erections it will cause the foreskin to separate. I think the best thing is just what you were doing keep it clean with water also if midday is getting. Ichi have him wash it with cold water you could simply take a cup of Coldwater and have him Dip his penis in the water this will relieve the itching and will also cause an erection to go down quickly also encouraged him in private to play with himself. yes I know this sounds a bit off but if he can help
You do not say how much he is able to retract his foreskin.
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You have received some very good replies and, in general, I agree with them: I'm 99% sure your son's itchy sensation
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