The biggest downside of autism, Executive Dysfunction often makes it very hard for me to seek medical care and to even do any task. You might be level 2 or 3, your struggles are considerably high.
There is practically a dysfunction in the brain which makes starting tasks very difficult, it feels like mental pain tbh when trying to do something.
I had times in my life where things were worse and I practically couldn't do anything, and the fear of not being able to help myself was dreadful too. I felt like things will never get better for me and I didn't know how and where to reach to. With health things it's particularly anxiety inducing and I'd just cry hopelessly, that's how bad it was. I have no family in my life except my mother who makes it ten times worse because of being a narcissist. It can be very hard to have no support.
Hang in there.