Why is there white stuff on my tongue piercing?

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Why is there white stuff on my tongue piercing?Swelling and inflammation: Days 4–10 After a few days, the wound may also ooze a whitish or clear fluid. When the swelling decreases, replace the jewelry with a shorter piece of jewelry. Leaving longer jewelry in place increases irritation and may damage the teeth. It is safest to have a piercer do this.