Anixity causing my problems?

So I guess my doctor keeps saying that all my scans are clear my blood work is normal so all my physical manifestations of long Covid must be related to so I guess my doctor keeps saying that all my scans are clear my blood work is normal so all my physical manifestations of long Covid must be related to anxiety severe anxiety. And I finally agreed to take lorazepam and escitalopram. 1 day in I woke up with massive headache …. Still have my sob among other breathing issues. Anyone have this happen to them where dr don’t believe that there IS something wrong with you? I’m going to loose it.