2. It will recur after a few days. After a long time, the face will swell up and the pus accumulated in the fistula will increase.

3. Simple drainage is not enough, because the fistula has not been cleared, and there will still be some debris left inside. To cure this disease, surgical resection is necessary.

If the fistula is not cleaned, it will regenerate.

5. Therefore, it must be surgically removed and cut clean.

I am also a patient with preauricular fistula. That's my summary. I had the same experience as him, but I have recovered through surgery. Operation time is 20 12 to 10.

If you think my answer is good, please accept it.

I wish you a speedy recovery!