UVA-1, PUVA, Grenz rays, Low Level
Light Therapy using a Red + NIR (LED) combination can be used. For recalcitrant cases, corticosteroids combined with immunosuppressants may be used. In addition, you can apply aloe vera to the hands. It will help.
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 dermatologist.