What medicine should be taken for congenital preauricular fistula?

Patient's question:

I have a small hole in front of my ear, which is very prone to infection. It always swells and hurts a lot. After a thorough examination at the hospital, the doctor said it was a preauricular fistula infection, a congenital infectious disease. I am now very worried. What medicine should be taken for congenital preauricular fistula?

Doctor's answer:

Medical Guidance: It is common to see small holes on the skin in front of the ears in some people, which they were born with. These holes may remain unchanged for the rest of their lives, but sometimes they may develop a bit of cheesy-looking discharge from these holes, often accompanied by inflammation, redness, pain, and yellowish pus, even forming abscesses, causing discomfort. Generally, those without symptoms 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, intramuscular injection (note to perform an allergy test); or erythromycin, 0.25g three times a day, orally.

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