Ex has a long-term degenerative illness and fits can be a symptom, though they aren't the main one. He has had this illness for about 20 years, so during our marriage. During our time together he had his first fit and was told not to drive for 12 months, which he didn't. We were together a further 2 years and he had no fits in that time. We've been apart about 8 years.
Last year, I got a phone call from ex-mil in a panic as she had been on the phone to him when there was a thud and it went dead. I'm the only contact she has in town where ex and I live. I called an ambulance and went to his house. After a bit of knocking he opened the door to me looking dazed and with a mark on his forehead. He had no idea what had happened and was saying he was fine, but he definitely seemed disorientated. We're not in constant touch but by a coincidence he had texted me something about the kids earlier that day and had no memory of having done so. He also couldn't find his phone.
Then the ambulance arrived and he said to them that he has epilepsy which is controlled by drugs! I had no idea of this - he definitely didn't have that diagnosis when we were together so I'm assuming that this latest fit (he has admitted it must have been one) must not have been his second, but at least his third. I'm sure that in all the time we have been apart there has not been a period of a year or even 6 months when he has not driven. I can't be sure because he has money problems and doesn't always have a car of his own, but I'm sure he has been driving for most of the time and I would have noticed if not because it would mean me doing all pick-ups and drop-offs, and, while I do most anyway, I'm sure I would have noticed had I done all of them for an entire year.
So I'm worried that while getting his epilepsy diagnosis at some point over the last 8 years he has driven, including with our dc, when he should not have, though I have no way of proving this. He has told the dc he can drive again in 6 months, which is now only a couple of months away. I thought it was a year after a fit? Also, I'd rather he just didn't drive them again. There's no real reason to and I feel the drugs obviously aren't 100% effective.
What do I do?