I feel the same. During COVID I've had flu like symptom, but it may have been Covid at least 2 times. Left my body with pain from the waste down to my knee! All of which I never had prior. As for medical help, I live in Memphis, TN with the scary feeling that too many doctors here are not at all interested in your medical issues. Money may be there "Hypocritic" Oath!" Those I've seen don't discuss your blood work, test, or even the many Xrays they take! Little is resolves during visits. Slow in, rushed out!
Bottom line, these discussion are helpful. To hear of certain symptom that mimic your own, may be of help or shed some light on what to ask the doctor. Then pray they give you some kind of answer:)