Cryotherapy with Liquid Nitrogen Spray: A Cold Treatment for Skin Conditions

1. What Is Cryotherapy?

Cryotherapy is a medical treatment that uses extreme cold to destroy abnormal skin cells. It involves the use of liquid nitrogen, which has a temperature of approximately -196°C ( -321°F).

The nitrogen is applied in the form of a spray directly onto the targeted lesion, freezing and destroying the abnormal tissue.

 

2. What Skin Conditions Can It Treat?

Cryotherapy is commonly used to treat:

 - Common warts

 - Plantar warts (warts on the soles of the feet)

 - Actinic keratoses (precancerous skin lesions, commonly found in fair-skinned individuals)

 - Seborrheic keratoses

 - Molluscum contagiosum

 - Certain superficial skin cysts

 -Some benign (non-cancerous) skin lesions

 

 

Advantages

 - No surgery and no stitches required

 - Quick procedure, taking only a few minutes

 - Low risk of infection

 - No use of chemicals or large wounds

 - Patients can wash their face or shower as usual

 

Limitations

 - The lesion does not fall off immediately; it typically takes 5–14 days

 - May require repeated treatment if the lesion is thick or deep

 - Some patients may experience hypopigmentation (lighter skin patches) or uneven skin tone

 - There is a possibility of blistering or blood blisters

 

3. Preparation Before and After Treatment

Before the procedure

 - Inform your doctor if you have any underlying medical conditions, are taking blood-thinning medications, or have a history of keloid scars

 - No need to stop medications or make special preparations

After the procedure

 - You can wash your face or shower as usual

 - Avoid rubbing the treated area vigorously

 - Do not puncture any blisters yourself

 

4. Skin Changes After Treatment

After the procedure, the following may occur:

- Clear blisters (serous blisters) within 1–2 days

- Blood blisters (hemorrhagic blisters) in areas with many capillaries or thin skin

- Blisters will gradually dry → form a scab → and fall off within 1–2 weeks

-New skin may appear slightly lighter or darker than the original skin

 

5. Post-Treatment Care

 - Gently clean the area 1–2 times per day

 - If blisters develop, do not puncture them—allow them to heal naturally

 - If there is an open wound, it can be covered with a sterile bandage

 - Apply antibiotic cream or medication as prescribed by your doctor

 - Avoid direct sunlight until the skin returns to normal

 

6. Follow-Up Appointments

 - Typically, a follow-up is scheduled within 1–2 weeks after treatment

 - If the lesion has not fallen off, repeat treatment may be considered

 - In some cases (e.g., deep warts), 2–3 sessions may be required, spaced 2–3 weeks apart

 

7. When to See a Doctor Before Your Appointment

Seek medical attention immediately if you experience:

 - Unusually severe pain

 - Large blisters or blisters with pus

 - Fever or signs of infection (heat, redness, significant swelling)

 - Recurrent bleeding from the wound

 - Numbness or a tight sensation in the treated area

 

Summary

Cryotherapy is a safe, quick, and effective procedure for treating various skin lesions. However, results and responses may vary from person to person. Proper aftercare and follow-up are just as important as the treatment itself.

 

 

Source : Princsuvarnabhumi

**Translated and compiled by ArokaGO Content Team