There are many signs of an infection from lip piercing such as swelling, redness, scabbing, tenderness, foul discharge with pus, inflammation, swollen lymph nodes in the neck and bleeding. Lip piercing infection can spread to other areas such as the gums and teeth if not treated immediately.
Lip piercing generally takes one to three months to heal, and improper care can lead to infection. Lip piercing infection is usually caused by the use of unsterilized piercing tools. Jewelry can also harbor bacteria and should be cleaned properly to avoid infection. It is advisable to seek medical attention when an infection is suspected.