How is congenital preauricular fistula treated best?

Patient's question:

Patient Age: Two and a half weeks
Visited the Central Hospital, the doctor prescribed anti-inflammatory medication.
Is it appropriate to have surgery now?
Should it be general anesthesia or local anesthesia?
Will anesthesia have an impact on the future?

Doctor's answer:

Generally, asymptomatic individuals do not require treatment. If there is an infectious inflammation, antibiotics or sulfonamide drugs can be administered, such as penicillin, 800,000 units each time, administered via intramuscular injection (note that an allergy test should be conducted); or erythromycin, 0.25g each time, taken orally three times daily. If an abscess forms, it should be incised promptly to drain pus, maintain local cleanliness and sterilization, and change dressings with povidone-iodine gauze. After the redness and swelling subside and the infection is suppressed, the fistula can be surgically excised. It is essential to remove it completely in one operation; otherwise, any remaining fistula tissue may lead to recurrent infection, making subsequent surgery much less effective.

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