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Wart removal
wart freezing · cryotherapy · liquid nitrogen wart removal
The wart is frozen with liquid nitrogen, which is very cold. The tissue dies and falls off after a few days.
If the wart bothers you, hurts, grows, or does not go away on its own.
⏱ Duration: usually 5 to 15 minutes
Be sure to tell your doctor
How to prepare
- Before the procedure. First, a dermatologist checks the growth to make sure it is a wart.
- Skin. Do not put cream on the area. Do not try to cut the wart off yourself.
What to bring
- Your referral or doctor's report
How it goes
- The doctor looks at the wart
- Sometimes the hard top layer is scraped off
- Liquid nitrogen is put on the wart with a cotton swab or a device
- It is held for a few seconds, and the skin turns white
- Sometimes the freezing is repeated 2 to 3 times
What you'll feel
- Strong cold, burning, and tingling during freezing
- Afterwards, throbbing pain for a few hours
Afterwards
- A blister may appear in a day or two. Do not pop it
- The scab falls off on its own in 1 to 3 weeks
- Often 2 to 4 treatments are needed, a few weeks apart
- Keep the area clean. Cover it with a plaster if it rubs
Contact a doctor straight away if
- Redness spreading around the spot, pus, or fever
- Severe pain that keeps getting worse
Common questions
How many times does a wart need freezing?
Often 2 to 4 times, 2 to 3 weeks apart. Large warts and warts on the sole take longer.
Will it leave a mark?
Usually a pale spot is left, which becomes hard to notice over time.