Blisters and Bruising After Cryotherapy for Warts - Dermatology

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After cryotherapy for warts on the hand, blisters have formed?


Is it normal to have blisters with bruising after cryotherapy? How many days will it take for them to go away? If I accidentally bump them while writing, will they burst? Thank you.

Yu Ting, 10~19 year old female. Ask Date: 2016/04/04

Dr. Li Yufen reply Dermatology


Hello: Cryotherapy may cause skin reactions similar to frostbite, which can result in blisters or hematomas.
The time required for blisters to scab over varies depending on the size of the blister or individual constitution, and it may take a week or more.
It is recommended to keep the blister intact and not to rupture it, as this could lead to an open wound.
If the blister is too large, you may return for an earlier appointment for assistance from your treating physician.
Thank you!

Reply Date: 2016/04/04

More Info


Cryotherapy is a common treatment for warts, involving the application of extreme cold to destroy abnormal tissue. After undergoing cryotherapy, it is not uncommon for patients to experience blisters and bruising at the treatment site. Understanding these reactions can help alleviate concerns and guide post-treatment care.

Blisters and Bruising After Cryotherapy:
1. What to Expect:
After cryotherapy, the treated area may develop blisters filled with clear fluid. This is a normal response as the skin heals. The freezing process causes damage to the wart and surrounding skin, leading to inflammation and fluid accumulation. Bruising may also occur due to the trauma inflicted on the skin and underlying tissues during the procedure.

2. Duration of Symptoms:
Typically, blisters can last anywhere from a few days to a week. They may gradually shrink and dry out as the healing process progresses. Bruising can take longer to resolve, often fading within one to two weeks, depending on the severity of the bruising and individual healing rates.
3. Care for Blisters:
It is essential to keep the area clean and dry. Avoid popping or draining the blisters, as this can lead to infection. If the blister breaks, cover it with a sterile bandage to protect it from bacteria. If you notice increased redness, swelling, or discharge, consult your healthcare provider, as these may be signs of infection.

4. Impact on Daily Activities:
Writing or engaging in activities that may put pressure on the blistered area can be uncomfortable. It is advisable to take precautions to avoid aggravating the blisters. If the blisters are on your hand, consider using a protective covering or avoiding activities that require extensive use of that hand until the blisters heal.

5. When to Seek Medical Attention:
If you experience severe pain, persistent swelling, or signs of infection (such as pus, increased warmth, or fever), it is crucial to contact your healthcare provider. They can assess the situation and provide appropriate treatment if necessary.

Conclusion:
In summary, the presence of blisters and bruising after cryotherapy is a common and expected reaction as your body heals from the treatment. While these symptoms can be uncomfortable, they typically resolve on their own within a week or two. Proper care and monitoring of the treated area are essential to ensure a smooth recovery. If you have any concerns or if symptoms worsen, do not hesitate to reach out to your healthcare provider for guidance.

Similar Q&A

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Dr. Wu Yuxin reply Dermatology
It is normal.

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Dr. Jiang Zheen reply Dermatology
This is a normal reaction; you just need to return to the doctor for a follow-up appointment in one week. Wishing you peace and may the love of Jesus be with you.

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Hello doctor, I would like to ask if swelling after cryotherapy for warts on both hands is a normal phenomenon.


Dr. Li Yufen reply Dermatology
Hello: After cryotherapy with liquid nitrogen, the surrounding skin may experience swelling similar to frostbite, and there may even be the formation of blisters. Thank you!

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Dr. Chen Yiying reply Dermatology
Hello: In response to your question, after the treatment of warts, blisters may form following cryotherapy. Please do not attempt to break them yourself. You can apply antibiotic ointment for protection and allow them to naturally scab and fall off. If you are concerned, you may ...

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