Cryotherapy is a medical treatment method in which a very cold substance is used to freeze the warts i.e. tissues forming it at the cellular level. In maximum cases, liquid nitrogen is used as the cold substance.
It involves very simple procedures and can be done in a doctor’s office and moreover it does not take much time. In usual cases, the skin needs to be pared before the liquid nitrogen is applied on it. It is sad to hear but cryotherapy is actually a bit painful and sometimes needs a local anesthetic is used.
How is cryotherapy done in removing seborrheic keratosis?
The liquid nitrogen can be applied on the warts in two different ways. It can be either sprayed on the wart or can be applied manually using a cotton swab. 2-3 treatments are enough for the warts with an interval of 1 to 3 weeks between each treatment. The warts heal very quickly with no traces of scars anywhere. But the pain from the treatment method may last up to 3-4 days. There are chances of blister formation after the treatment is done. The whole area surrounding the blister must be properly cleaned in case the blister breaks. Otherwise there are chances of spreading of wart virus.
In some cases, interferon is also used to freeze the warts in severe cases of general warts. Interferon refers to an anti-viral chemical which is used by injecting it directly into the warts. But the sad part is that the interferon method is more complicated and more expensive than that of using liquid nitrogen. Both liquid nitrogen and interferon only ensure the elimination of general symptoms of genital warts but in no case guarantee their permanent eradication. Genital warts are caused by a virus called Human papillomavirus, more commonly abbreviated as the HPV. These HPV have the ability to stay dormant inside the human body without manifesting any symptoms. Hence the cryotherapy can never ensure permanent treatment of warts. It can just help in removing the external warts.
Side effects of cryotherapy
Some of the common side effects of cryotherapy include the scarring, blisters formation mild skin irritation and post treatment pain. The level of pain depends upon the practitioner, the method of application and the depth of the freeze. Some doctors see the formation of blisters as a good sign. These indicate that the freeze has penetrated deep enough to show effective long term results. In cases of thick warts, repeated freezing is requires which leads to the damage of the nerves surrounding the warts and hence there are chances of occurrence of scars. Some patients even experience discharge of pus. But nevertheless, it is the most effective and less expensive method of removal of warts. Reports have shown that cryotherapy of rectum and the areas surrounding it is relatively more painful and less effective as compared to that done elsewhere in the body. Commonly, this method of treatment of warts is considered safe even for pregnant women and their babies. But it is always advisable to undergo this treatment method during the second and third trimesters of pregnancy. But this varies according to the tolerance power of the expectant mother. But reports have shown that cryotherapy has shown successful results in 70-80 percent of cases.
Why to chose cryotherapy for removing your growths?
The primary reason behind considering cryotherapy for the warts treatment is that it is very fast acting, penetrates quickly and deactivates or kills the corresponding HPV virus instantly. Conventional methods like use of salicylic acid prove to be much gross and take a very long time for the treatment. Although these methods are relatively less painful than applying cold substances, they come with the chances of destroying the surrounding healthy skin and are more indiscriminate in their use. On the other hand a person planning to undergo a cryotherapy treatment should strictly follow its guidelines.
This should never be done in the absence of a health service provider who is specialized in skin diseases. It is highly advised to undergo the treatment in emergency rooms of the hospital premises. Moreover this is not only used in the treatment of warts, but also in the treatment of numerous skin disorders which include moles, skin tags, seborrheic keratosis etc. In spite of its high cost, this treatment method is generally preferred by people because of its high effectiveness.
Cryotherapy video – how are seborrheic keratosis removed
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