@januaryjane there is another discussion on Connect for Erythromelalgia with the same symptoms except not with the face. I did learn that it can occur in the face only and be very hard to diagnose. Here is a link to the discussion on Connect and also the article for the symptoms in the face.

> Groups > Autoimmune Diseases > Erythromelalgia
-- https://connect.mayoclinic.org/discussion/erythromelalgia/

Erythromelalgia involving the face -- https://escholarship.org/uc/item/4k87w8nf

NORD - Erythromelalgia -- https://rarediseases.org/rare-diseases/erythromelalgia/