Dr. Dodson has a couple medication recommendations for RSD.
Putside of that, I’d recommend learning about Polyvagal therory and how your autonomic nervous system controls your responses, and how to return your nervous system to a more calm state. It’s mentioned briefly in this article:
Can’t Get Anything Done? Why ADHD Brains Become Paralyzed in Quarantine
Penny
ADDitude Community Moderator, Parenting ADHD Coach, Podcaster & Author, Mom to teen w/ ADHD, LDs, and autism