Red Bumps Around Wound: Causes and What to Watch For - Surgery

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Red, itchy bumps are developing around the wound?


Three weeks ago, I was in a car accident and have a bruise on my lower back that hasn't healed yet and hasn't scabbed over.
Today, when I changed the dressing, I noticed red, bump-like growths around the wound that look somewhat like acne.
They are not painful, but the area around the wound feels itchy.
What should I be aware of?

Ms. Hsieh, 20~29 year old female. Ask Date: 2017/03/09

Dr. Li Zhonghuai reply Surgery


Hello! You may be allergic to iodine, alcohol, gauze, or adhesive tape.
It is recommended to use saline solution for dressing changes and to purchase high-quality gauze and hypoallergenic adhesive tape.
If you still experience itching, it is advisable to take antihistamines.
Ping An Changhua Hospital cares about you!

Reply Date: 2017/03/09

More Info


When you notice red bumps around a wound, especially after an injury like a bruise from a car accident, it can be concerning. The appearance of these bumps, which resemble acne, along with itching but no pain, can be attributed to several factors.
Firstly, it's essential to understand that the body responds to injury in various ways. The red bumps you are observing could be a part of the healing process. When the skin is injured, the body sends white blood cells to the area to fight off any potential infection and to begin the healing process. This immune response can sometimes cause localized swelling and redness, leading to the formation of small bumps.
Another possibility is that these red bumps could be a form of dermatitis, which is an inflammation of the skin. This can occur due to various reasons, including an allergic reaction to the materials used in your bandage or topical medications. If you've recently changed the type of dressing or ointment applied to the wound, this could be a contributing factor.
Additionally, if the wound is not healing properly, it could lead to the development of folliculitis, which is an inflammation of the hair follicles. This condition can cause small red bumps that may resemble acne and can be itchy.
It’s also important to consider the possibility of an infection. While you mentioned that the bumps are not painful, infections can sometimes present with redness and itching without significant pain. Signs of infection can include increased redness, warmth, swelling, pus, or a fever. If you notice any of these symptoms, it is crucial to seek medical attention promptly.

In terms of what to watch for, here are some key points:
1. Monitor for Changes: Keep an eye on the size, color, and number of the bumps. If they increase in size or number, or if they start to become painful, it’s important to consult a healthcare professional.

2. Watch for Signs of Infection: As mentioned, look for increased redness, warmth, swelling, or discharge from the wound. If you develop a fever, this could also indicate an infection.

3. Avoid Irritants: If you suspect that the bumps may be due to an allergic reaction, try to identify and avoid any potential irritants. This includes any new products you may have used on the wound.

4. Keep the Area Clean: Ensure that the wound and surrounding area are kept clean and dry. Follow any care instructions provided by your healthcare provider.

5. Consult a Healthcare Provider: If the bumps persist, worsen, or if you have any concerns about the healing process, it’s best to consult a healthcare provider. They may recommend a topical treatment or further evaluation to rule out any underlying issues.

In summary, while red bumps around a wound can be a normal part of the healing process, it’s essential to monitor them closely for any changes that could indicate a problem. Keeping the area clean and avoiding irritants can help, but don’t hesitate to seek medical advice if you have any concerns. Your health and safety should always come first.

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