50mg Sertraline. Question on benzos?

After basically experiencing burnout and adrenal fatigue after a crazy year and being 18 months off Sertraline... I had no choice but to go back on it. Foolishly jumped straight on what I was prescribed at 50mg. First 1.5 weeks = HELL felt like I had flu with panic!!! Week 2-3 still not great but able to go for walks again. Week 3-4 got some energy back and started feeling a bit like myself. But took a nose dive now on this week at 30 days mark. NOW... I'm wondering if this is just a natural sertraline pattern Or is it because I've significantly tapered down on the Xanax treatment. I was initially prescribed 500mcg Xanax x 2, Morning, noon and night. I never actually took that though as I'd just sleep and not be able to function. So I took 1 x 500mcg morning, noon and night. Week two to three I took 1x 500mcg morning and evening. and now on week 4 I'm taking 250mcg in the middle of the day if I feel I need it and 250mcg at night. Last night as an example I skipped it and didn't take it, didn't have a wonderful sleep.

I really don't want to be depending on a benzo BUT it probably was keeping things at bay and now I'm just rawdogging life and I feel like Sertraline is not therapeutic yet.

Any advice or can anyone relate?

TO ADD - I take 1 x 10mg propronolol in the morning for the morning anxiety also. (I was prescribed 4 per day but I couldn't tolerate that as I do not have high blood pressure at all. Borderline low sometimes)