Medically reviewed by Rochelle Collins, DO Thick, brown belly button discharge may happen if you haven't washed your belly ...

Medically reviewed by Casey Gallagher, MD If your belly button smells, it's likely a sign of poor hygiene or an infection.

Pain behind the belly button, or periumbilical pain ... If an umbilical hernia becomes severely painful, tender, or red, go to the emergency room. This could indicate an obstruction or lack ...

An infected belly button piercing causes swelling ... However, if the swelling becomes severe and is accompanied by pain that feels like soreness, this may be a sign of infection, Sobel says.