[1] They are surface piercings, and have a high rate of migration and rejection.

[2] The vast majority of Madison piercings will reject or migrate.

In a three-year, informal study [3] by the Association of Professional Piercers, out of twelve participants with Madison Piercings, nine were removed due to migration during the first year and the remaining three had not healed.

Poorly healed, migrating or rejected piercings can cause scarring.

It is not unheard for these piercings to be performed with captive bead rings, although this will almost always lead to migration and rejection.