Cryotherapy is a way of freezing the living tissue through a refrigerant sprayed onto the skin in an aerosol form or as a liquid within a probe that is put on the tissue.
In order to freeze the lesions like warts and skin tags, Cryotherapy is an effective way since it can enter the underlying skin structure.
When the living tissue is freeze, the water in the cells expands and burst open which destroys the cells and other viruses within them.
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It is the same with warts and verrucas. Verrucas means warts on the feet. The only difference with them from those on the hands and other parts of the body is they flatten out because of walking.
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But both of them are caused by human papilloma virus which are usually in different forms and each one is not easy to be removed.
Cryotherapy is fast acting when in terms of removing warts and verrucas. It can penetrate easily and kills the HPV immediately.
When you use caustic methods just like painting and application of salicylic acid may be dirtier and take longer to effect. Apart from that, they also attack the good surrounding of the skin and lesion even if they are not painful to be used.
However, Cryotherapy can be very painful at first and awkward to attack the area certainly enough to get freeze.
Actually, it is not easy for the chiropodist or podiatrist to have the effective freeze based on the ways and equipment used. Other methods may be used like spraying the liquid to a semi-compressed wool on the skin so that the liquid cryogen will remain and the cold temperature will be released slowly to the skin until it is evaporated.
There is another severe method to be used through a 200?C liquid nitrogen probe. The probe has a liquid nitrogen which is applied to the lesion.
You may also find an aerosol treatment which make use of 200 liquid nitrogen in a small containers and other OTC treatment where small foam pad is used by spraying it.
There are various OTC products that you can use to freeze the warts and verrucas. However, this is only suggested to be used on small warts and verrucas on the feet. It is needed to consult a specialist to first diagnose what you are going to freeze before you can proceed with the treatment.
Cryotherapy may also come with side effects. Initially, it is painful. Depending on the pain tolerance of the patient, some may not find it good. When there is no pain, it means that the freeze did not penetrate deeply. With cryotherapy, you may also experience blistering. But this is a good indication that the treatment is deep enough.
If you want this treatment, it is needed for you to follow the guidelines.