Hi Eysha! Welcome to the TC 🙂
". My Psychiatrist is telling me it’s not from withdrawal but rather my anxiety returning."
— @Eysha
Yeah, they all say that every time!
You're in luck, there's a ton of users here that are tapering mirtazapine!
Here's a good TC article to start with...but search the DB, there's more...
https://taper.community/resources/blog/mirtazapine-withdrawal-symptoms