Anyone here have botox in their bladder?

Urge incontinence was my first MS symptoms (thank you spinal lesions!) and it has been terrible for about 2 years, to the point where I wear an adult diaper 24/7. I've tried all the pills out there to help and none have (but they do succeed in giving me a very dry mouth!).

I went back to my urologist today and he is referring me to a dr who does botox to help with OAB. He said, especially since I already have trouble voiding, that there's a chance I may need to self catheterize in order to eliminate fully. I've been investigating this for some time so I have had time to wrap my head around that, but it still grosses me out. But seriously I don't think it could get any worse than what I'm dealing with right now.

So if any one has had this treatment I'd love to hear from you! TIA