My youngest had difficulty potty training, but I was, at the time, in an abusive relationship. It took me divorcing my ex husband before I could do anything with my son. (Ex claimed that nothing was wrong with his boy...)
But reading that there is a history in your family of this, and the possibility that it might be physiological, I am offering suggestions on how to get around the post wetting issues.
- Buy a new mattress, but DO NOT remove the plastics. (Patch ANY holes, if any) Wrap that plastic with those cushy bed undergarments before putting the bedsheet down. DOn't have too many blankets-but have a light one for warm days, warm (not necessarily thick) for cooler days.
- When you change the wet sheets, WIPE that plastic down with Lysol, spray it, then let it air dry before putting bedclothes on it again.
- Isolate sleeping clothes and wash these on their own. If he falls asleep in regular day clothes, wash them twice, and try to reinforce the difference between day and night clothes.
- Have a designated area for "wet clothes" like a specific laundry basket (go plastic-NOT wood or cloth)
- If you have carpet, make sure he has a removable rug or plastic runner he can tread on to get him to the location to remove his clothes and wipe his feet (so he's not treading urine off his feet or body on any carpeted area)
- Don't let him drink anything, or have any juicy stuff (like watermelons) about 45 mins before going to bed.
- Reward him for dry nights.
- I would definitely consider conferring with a urologist to see non-invasive options, clear that he is NOT diabetic/has a bladder infection, and watch wht he eats too. Salty stuff triggers the thirst mechanism, for example, making him want to drink more.
- invest in carpet cleaner/Febreeze/air purifier like ionic breeze (the one that goes into a bathroom)
Hope that helps