If by blue around your mouth you're refering to your coloring, that could mean low oxygen (which sleep apnea can cause), as well as some cardiac conditions.
You may need to use a sleep aid while you adjust to the sleep apnea treatment. Once your cpap treatment is giving you restful sleep with no oxygen desats, you may find other pains improve also.
I am actually on this forum trying to obtain info for my husband. I was interested if you meant you have dysautonomia. I have dysautonomia and I am Chris57 on the dysautonomia forum.
Hope things worked out for you with the mask etc.