This disease should be very rare and Italian doctors treat this woman only with cortisone. At present, this treatment does not seem to be suitable. I'm more impressed with pentoxifylline than cimetidine.
Patients get fatigue, swelling, hardening of the skin and sometimes internal problems.
It may be confused with the eosinophilia-myalgia syndrome and scleroderma. This is a disease that must be treated by doctors who have experience with it. Probably a medical school professor would be a good first choice.