Is Keloid Injection Dangerous?

Keloid scars not only affect aesthetics but also make many people feel self-conscious, especially when they appear on visible areas such as the face, neck, or chest. Among the various treatment methods available, keloid injection has become increasingly popular. So, is keloid injection dangerous? Wedo Skin Clinic shares detailed insights below.

What Is a Keloid Injection?

Keloid injection is a medical treatment that involves injecting medication directly into scar tissue. The active ingredients help inhibit excessive collagen production — the main cause of keloid formation and overgrowth. As a result, the scar gradually softens, flattens, reduces in size, and blends better with the surrounding skin tone.

Is Keloid Injection Dangerous?

Keloid injection is not dangerous if performed by a qualified dermatologist in a medically safe and sterile environment. However, if the procedure is done by untrained individuals or with non-sterile tools, it may lead to several risks.

At the local level, complications can include skin atrophy, telangiectasia (dilated blood vessels), pigment disorders, dermatitis, or tissue necrosis at the injection site. In some cases, the scar may worsen, becoming deeper (atrophic scar) or expanding further if the doctor injects in the wrong location or administers an excessive dose.

At the systemic level, when the medication is overly absorbed or used improperly, it can cause hormonal imbalance, high blood pressure, metabolic disorders, menstrual irregularities in women, or temporary immune suppression — making the skin more prone to infection and slower to heal.

Therefore, the safety level depends greatly on the doctor’s expertise, the type of medication used, and the sterilization standards of the clinic. When performed at a reputable dermatology center with licensed dermatologists, proper techniques, and certified medications, the risks are minimized while ensuring safe, effective, and aesthetic outcomes.

Tiêm sẹo lồi có gây nguy hiểm không
Tiêm sẹo lồi là phương pháp an toàn nếu được thực hiện bởi bác sĩ có chuyên môn cao và tại cơ sở có trang thiết bị, dụng cụ vô khuẩn đạt chuẩn y khoa

Effectiveness of Keloid Injection

Keloid injection is considered one of the most common and effective treatment options. When done correctly, it provides visible improvements both functionally and aesthetically:

  • Flattens and reduces scar size: The medication acts directly on the scar tissue, inhibiting excessive collagen growth. This helps the scar flatten, shrink, and better match the skin surface.
  • Softens the scar: Keloids are often thick and hard, causing discomfort when touched. After injections, the tissue becomes softer and less tight, improving skin flexibility.
  • Improves skin tone: Keloids usually appear red, pink, or darker than surrounding skin. Injections help reduce blood vessel proliferation and pigment changes, resulting in a lighter and more even tone.
  • Relieves itching and burning: Many patients with keloids experience chronic itchiness or pain when rubbing. Injections significantly alleviate these symptoms, improving comfort and quality of life.
  • Prevents further scar growth: By suppressing abnormal collagen production, injections help prevent the keloid from thickening or spreading — especially beneficial for people prone to keloid formation.
Hiệu quả khi tiêm sẹo lồi
Tiêm sẹo lồi giúp làm phẳng bề mặt sẹo, giảm đỏ và ngứa, cải thiện thẩm mỹ rõ rệt theo từng liệu trình. Phương pháp này còn giúp ngăn ngừa sẹo phát triển thêm, mang lại làn da mịn màng và đều màu hơn.

Post-Injection Care to Minimize Risks

Proper aftercare is essential to enhance treatment effectiveness and minimize side effects. Patients should strictly follow medical advice and keep in mind the following:

  • Keep the injected area clean and dry: Avoid contact with water or cosmetics for the first 24 hours to reduce infection risk. Afterward, gently cleanse with saline or as directed by your doctor.
  • Avoid touching or rubbing the area: Do not press, scratch, or massage the injection site as this may spread the medication unevenly or cause inflammation. Wear loose, breathable clothing to prevent friction.
  • Protect the skin from sunlight: UV rays can cause pigmentation disorders, making the area darker or lighter. Always cover the area and apply sunscreen (SPF 30+) when going outdoors.
  • Stay hydrated: Maintaining adequate hydration supports recovery and keeps skin supple. Aim to drink at least 2 liters of water per day, divided into several portions for better absorption.
Cách chăm sóc sau khi tiêm sẹo lồi
Tia UV có thể gây rối loạn sắc tố, khiến vùng da sau tiêm dễ bị thâm sạm hoặc trắng loang lổ nếu không được bảo vệ cẩn thận

Where to Get Medically Safe Keloid Injection

When choosing a keloid treatment, the clinic’s credibility is the most important factor. A trusted dermatology center not only ensures safety but also optimizes long-term results.

Wedo Skin Clinic is recognized as one of the leading medical-standard dermatology clinics specializing in keloid treatment and other complex skin conditions.

At Wedo, keloid injections are performed exclusively by highly qualified dermatologists with years of experience. Each patient undergoes a thorough examination and receives a customized treatment plan tailored to their scar type — ensuring the right medication, correct dosage, and proper technique.

Wedo uses only authentic, Ministry of Health–approved medications with clear origins to guarantee safety and minimize side effects. The entire procedure adheres to strict international sterilization standards, reducing infection risks.

Moreover, Wedo’s advanced equipment allows combining injections with laser therapy and light-based treatments to enhance results and reduce recurrence. Post-treatment, patients are carefully monitored and guided through proper skincare routines for lasting, safe outcomes.

Conclusion

Keloid injection is an effective solution for improving hypertrophic scars, helping the skin surface become smoother, softer, and less noticeable. Although not completely risk-free, it remains a safe and reliable option when administered by experienced dermatologists using certified medications and following proper medical protocols.

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Frequently Asked Questions About Keloid Injection

1. Does keloid injection hurt?

Most patients describe only mild stinging during the procedure. Doctors may apply numbing cream to minimize discomfort.

2. How long does it take to see results?

Usually after 2–4 weeks, the scar starts to soften and flatten, with redness reduced. Noticeable improvement is typically seen after 2–3 sessions, depending on the scar’s condition.

3. Will keloid injection cause new scars?

When performed with proper technique at a certified medical facility, injections do not cause new scars or damage surrounding skin.

4. Are there any restrictions after injection?

Avoid sun exposure, touching the treated area, and using harsh skincare products for several days following the procedure.

5. Can keloids return after treatment?

In some cases, recurrence may occur if the patient has a keloid-prone skin type or neglects proper aftercare. Regular follow-up with your dermatologist helps maintain results.

Last updated: 08/10/2025
Danh mục: Dermatological knowledge, News

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