Hello,
Current available treatments of prurigo nodularis have had mild-to-moderate success and a combination of medicines is used. These include topical, oral, and intralesional corticosteroids, topical agents like Menthol, phenol, pramoxine, capsaicin cream, vitamin D-3 ointment and topical anesthetics, UV light treatment using UV-B or UV-A plus psoralen and topical immunomodulators tacrolimus and pimecrolimus in steroid unresponsive cases.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.
Ultrapotent steroid applications, UVR-Psoralen, immunomodulators are the mainstay. Best wishes.