are caused by human papilloma virus
. They are contagious.
You can avoid their spread by checking autoinoculation from one site to other.
Most of the medical treatments work by immunomodulation i.e. by boosting up your immunity. Zinc is one such immunomodulator. No certain reply is there regarding effectiveness of these drugs.
There are some dermatosurgical modalities also. Better you consult a dermatologist
so that the best suitable therapy can be initiated.
Dr. Ajit Singh
MD - Skin & VD