My belly button has a sharp pain to it. What is this?

Belly button pain. There can be many different causes of belly button pain. Skin rashes can involve yeast and this dermatitis, herpes simplex virus can cause a painful rash, and bacterial infections can cause pain. If someone is overly cleaning the umbilicus with q-tips and cleansers it can start to hurt. Some serious intestinal problems can refer pain to the belly button so see your doctor if it's not a rash.