Blistering after liquid nitrogen freezing is a normal phenomenon, if the blisters are small, no special treatment is needed. If the blisters are large and there is obvious swelling and pain, then you should go to the hospital for treatment.
Liquid nitrogen freezing can cause local vascular stasis and tissue necrosis, blisters or blood blisters may appear, which is a normal phenomenon. If the blisters are small and have no obvious symptoms, no treatment can be done and the area can be kept clean. If the blisters are large and have obvious swelling and pain, you should go to the hospital for treatment, pump out the blister fluid and then apply pressure bandage for 2~3 days, and the blisters usually won’t reappear.
During the course of the disease, it is necessary to keep the lesions locally clean and avoid scratching the affected area to prevent secondary infections from aggravating the condition. If there is obvious discomfort during the period, it is recommended to consult a doctor in time and follow the doctor’s instructions to standardize the treatment.