How soon after you get your lip pierced can you change the jewelry?

Usually two weeks, it takes that time for the swelling to go down, at that point you can change to a smaller diameter ring.

-Sometimes it will take longer for the swelling to go down, depending on how much you play with it, how often you clean it, what you use to clean it, and how you clean it. Also, it would be better to not change the size until all the pain goes away, changing the size of a piercing too early can cause an infection. Other then that, 2 -3 weeks until proper lip ring change.