This disease does have a name. It is Unidentified Skin Parasite or USP and there is an organization called National Unidentified Skin Parasite e/g/ NUSPA
which has been online for years. You may join the forum for help and/or information about what these victims are doing.
I personally know a victim in New Zealand who is near the end of her coping ability. I am so scared for her and am have sent her a package last week with something to help her cope.
Beleive me -- this is all over the world. There are victims, although it is rare, everywhere.
These people suffer to no end. They are diagnosed as DILUSIONAL because the MDs have no clue. There have been many suicides because of the misery and no hope intertained by doctors.