Cryotherapy is a treatment of some skin lesions such as wart, skin tag, actinic keratosis, seborrhoeic keratosis… by freezing the lesion by using liquid Nitrogen. The liquid nitrogen is applied to the skin lesion for a few seconds, depending on the diameter and depth of the lesion.

The patient will feel mild stinging and burning sensation and may remain for 1-2 hours, and the site of treatment might continue to be tender for a few days.

The side effects of discoloration is rare and is almost in darker skin types.


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