Home > Cryotherapy for Warts
Cryotherapy involves freezing a wart using a
very cold substance (usually liquid nitrogen). Cryotherapy is a standard
warts and can be done in a doctor's office. The liquid
nitrogen application usually takes less than a minute.
Most warts require 1 to 4 treatments, with 1 to 3 weeks
between each treatment.
Cryotherapy can also be done at home using an over-the-counter product such as Compound W Freeze Off. These home cryotherapy kits use a mixture of dimethyl ether and propane rather than liquid nitrogen. This mixture is used to soak a foam applicator that is then applied to the wart. This product may be safe for warts on the hands or feet but not for genital warts. Follow all instructions carefully to avoid serious burns and permanent scarring.
Pain from cryotherapy can last up to 3
days. Healing is generally quick (7 to 14 days) with little or no
Within hours after treatment, a blister may form.
Multiple treatments may be needed to get rid of the
Cryotherapy is usually used if
salicylic acid treatment has not eliminated a wart or if quick treatment is
Cryotherapy can destroy warts.
It gets rid of warts about half of the time, but two or more treatments may be needed.footnote 1
If done carefully, cryotherapy poses little risk
If a wart is thick and requires extensive or repeated
freezing, nerves around the wart can be damaged, scarring may occur, and the
skin may take a long time to recover.
There is a small chance of
infection associated with cryotherapy. Some signs of infection include:
If you can tolerate moderate,
short-term pain, cryotherapy may be a reasonable treatment option for you.
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Habif TP, et al. (2011). Viral infections. In Skin Disease: Diagnosis and Treatment, 3rd ed., pp. 210-245. Edinburgh: Saunders.
ByHealthwise StaffPrimary Medical ReviewerPatrice Burgess, MD - Family MedicineSpecialist Medical ReviewerAdam Husney, MD - Family Medicine
Current as ofOctober 5, 2017
Current as of:
October 5, 2017
Patrice Burgess, MD - Family Medicine & Adam Husney, MD - Family Medicine
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