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See a doctor if you swallow part of your piercing. Recognize the sign of an infection. Talk to your piercer if you develop an infection.

Article:
People sometimes accidentally swallow a bead or other part of their piercing when eating. Usually, the beads are small enough that they pass without complication. However, it's always a good idea to contact a doctor just in case. Even with proper precautions, infections do happen. The following are common signs of an infection:  White, yellow, or brown discharge. Swelling. Redness. Intense pain. A piercer may be able to help you out by recommending ointments. Call your piercer right away as soon as you notice signs of an infection so they can help you clear it up. If the infection is serious, the piercer may recommend you see a doctor to get it treated.