Persistent Swelling and Pain After Wound Healing: What to Do? - Surgery

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The wound healing process is still accompanied by swelling and pain?


At the beginning of November, a child fell and had a small wound on the knee.
The wound has healed, but recently a hard lump has developed at the site along with a small pus-filled bump.
Now, it even hurts when running.
The general clinic only prescribed oral and topical antibiotics.
Is that sufficient, or does the child need to go to the hospital for treatment?

Qiu Xiaojie, 40~49 year old female. Ask Date: 2022/11/23

Dr. Ke Fangxu reply Surgery


The lump after wound healing should be scar tissue, but if there is a pus-filled abscess, it may be more serious and could require incision and drainage along with antibiotic treatment.
It is advisable to consult a surgical specialist for further evaluation.

Reply Date: 2022/11/23

More Info


Persistent swelling and pain after a wound has healed can be concerning, especially when accompanied by a hard lump and pus formation. In the case of your child, it’s essential to take these symptoms seriously, as they may indicate an underlying infection or other complications.

When a wound heals, the body goes through several stages of healing, which include inflammation, tissue formation, and remodeling. However, if there is persistent swelling, pain, or the development of a lump, it could suggest that the healing process has been disrupted. The presence of pus is particularly concerning, as it often indicates an infection.

Here are some steps you should consider:
1. Consult a Healthcare Professional: While oral and topical antibiotics may be prescribed by a general practitioner, if there is no improvement or if the symptoms worsen, it is crucial to seek further evaluation. A pediatrician or a specialist may need to assess the area to determine if there is an abscess or other complications that require more aggressive treatment.

2. Imaging Studies: Depending on the examination, the doctor may recommend imaging studies, such as an ultrasound or X-ray, to evaluate the underlying structures and rule out any bone involvement or deeper infections that may not be visible externally.

3. Wound Care: Proper wound care is essential even after the wound appears to have healed. Keep the area clean and dry, and avoid any activities that may exacerbate the pain, such as running or jumping. If the area is still tender, applying a warm compress may help reduce discomfort.

4. Pain Management: Over-the-counter pain relievers such as ibuprofen or acetaminophen can help manage pain and reduce inflammation. However, it’s essential to follow the dosing guidelines appropriate for your child's age and weight.

5. Monitoring Symptoms: Keep a close eye on the symptoms. If the swelling increases, the pain becomes more severe, or if there are signs of systemic infection (such as fever, chills, or increased redness around the wound), seek immediate medical attention.

6. Follow-Up Care: If antibiotics are prescribed, ensure that the full course is completed, even if symptoms improve. Follow-up appointments may be necessary to monitor the healing process and ensure that the infection is fully resolved.

In summary, while initial treatment with antibiotics may be appropriate, the persistence of symptoms like swelling, pain, and the presence of pus suggests that further evaluation is necessary. It is always better to err on the side of caution, especially with children, to prevent any potential complications. If you have any doubts or concerns, do not hesitate to visit an emergency room or a specialized clinic for a thorough evaluation.

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