Why does the scar get redder the more scar removal ointment is used?

Generally, the worsening redness after using scar removal ointment may be caused by allergic reactions, inflammation, or scar hyperplasia. Patients should receive appropriate treatment based on the specific cause. Detailed analysis is as follows:

1. Allergic Reaction

There are many types of scar removal ointments, which work to inhibit scar formation and soften existing scars. If a patient is allergic to certain ingredients in the ointment, using it may trigger an allergic reaction, causing the scar area to become increasingly red. In such cases, symptoms usually resolve on their own once the patient stops using the ointment.

2. Inflammation

If a patient fails to wash hands before applying the ointment, bacteria, viruses, or other pathogens may enter the scar tissue, leading to inflammation. This inflammatory response can irritate surrounding tissues, resulting in increased redness of the scar. It is recommended that patients seek medical guidance to use medications such as erythromycin enteric-coated tablets or amoxicillin capsules for treatment, and ensure hands are cleaned before applying any medication.

3. Scar Hyperplasia

Patients with a predisposition to keloid scarring may experience excessive tissue repair following injury, leading to over-deposition of extracellular matrix and overgrowth of connective tissue—resulting in scar hyperplasia. This condition can also cause progressive redness in the affected skin area. It is advisable for such patients to visit a qualified medical institution and receive laser treatment under the supervision of a professional physician.

If increased redness occurs with continued use of scar removal ointment, prompt medical attention is recommended to prevent adverse effects.