Intralesional immunotherapy with purified protein derivative (PPD) for cryotherapy-resistant warts.
Sowmya KaimalHima GopinathVenkatesh PremalathaPublished in: International journal of dermatology (2020)
Immunotherapy with PPD has potential in producing regional and remote wart regression even in cryotherapy-resistant warts. It is a safe and economical modality in children, multiple warts, and difficult-to-treat warts.