Skip to Content
Home > Wellness > Health Library > Seborrheic Keratosis: Cryotherapy
Cryotherapy is the use of extreme cold, in the form of
liquid nitrogen, to remove skin growths such as
This simple procedure usually takes less than a
minute and can be done in your doctor's office. Your doctor applies the liquid
nitrogen using a probe or a cotton swab, or he or she sprays the liquid
nitrogen directly onto the skin growth.
Cryotherapy can cause
moderate pain that can last up to 3 days. Healing is generally quick (7 to 14
days). Expect a blister to develop within hours after treatment. The blister
will dry up over the next few days, and the keratosis should fall off.
Cryotherapy causes little or no scarring, though some people,
particularly those with darker skin, experience permanent skin-color
lightening. Talk to your doctor to see if cryotherapy is right for
Current as of:
March 12, 2014
Kathleen Romito, MD - Family Medicine & Amy McMichael, MD - Dermatology
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.