Cryotherapy for Molluscum Contagiosum

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Cryotherapy
involves killing infected cells by "freezing" them with a pressurized liquid spray, usually liquid nitrogen or nitrous oxide. The procedure can be mildly uncomfortable to painful depending on quantity and location of infected cells. The procedure can be performed by any medical professional.

Application of liquid nitrogen may cause burning or stinging at the treated site, which may persist for a few minutes after the treatment. Scarring or loss of color can complicate both these treatments. With liquid nitrogen, a blister may form at the treatment site, but it will slough off in two to four weeks. Cryosurgery and curette scraping are not painless procedures. They may also leave scars and/or permanent white (depigmented) marks.