I Wore Magnetic Earrings For About 10-12 Hours And I

I wore magnetic earrings for about 10-12 hours and I endured the pain until they felt numb. When I finally took them out, it hurt a lot and the next day I noticed dark marks on the spots the magnets were placed and a pellet sized hardish bump in my earlobe. When they are squeezed they hurt a bit, what is happening?