I claim no expertise and only have anecdotal experience, but Bleomycin was effective for me when treating plantar warts. It's an off-label treatment but FYI in

I claim no expertise and only have anecdotal experience, but Bleomycin was effective for me when treating plantar warts. It's an off-label treatment but FYI in case you'd like to investigate for another possible arrow in your proverbial quiver. Just to be clear: this treatment was administered by a dermatologist.