Medically reviewed by Leah Ansell, MDIf your belly button is leaking fluid, you may have a bacterial, fungal, or yeast ...

Other signs of a bacterial infection in your belly button include: An overgrowth of yeast (or fungus) called Candida can lead to a fungal infection that makes your belly button smell foul or musty.

That's right, you can get a yeast infection in your belly button, which can lead to itching and redness, and cause a clear or off-white discharge to leak out, which almost looks like cottage cheese.