and Intralesional corticosteroid injections. Very severe cases may need excision and drainage. Also the treatment has to be taken for a long time so that relapses do not occur.
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. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.