Journal of the American Academy of Dermatology 2020 Apr 26
Intralesional cidofovir for treatment of recalcitrant warts in both immunocompetent and immunocompromised patients: A retrospective analysis of 58 patients.
New answer by at Johns Hopkins Timeshare Practice (November 1, 2024)
Could try Duct Tape since safe and easy. Other topical irritants may work as well. Topical sensitizers may also be useful with prolonged persistent warts.