https://www.uab.edu/news/research/item/10393-diastolic-blood-pressure-how-low-is-too-low
https://www.mayoclinic.org/diseases-conditions/low-blood-pressure/diagnosis-treatment/drc-20355470
I don't know how much you know about your condition, so maybe what I have offered above is old news to you. If it helps you to situate yourself, great.

You'll get other responses, ideally from those with the same condition and with some experience. Good luck!