Belly button infected? (photos)

It does look like their may be some inflammatory process going on, it is difficult to tell from the photograph but you may be loosing some of the actual tissue, sometimes known as bellybutton necrosis. Make sure you see your plastic surgeon and with proper care it will most likely go on to heal quite well. Best of Luck. Dr. Kachenmeister. 

It is difficult to tell by the photo but it appears that belly button may be struggling to receive the blood supply that it needs in order to appear pink and healthy. If there is "ischemia" the belly button can appear dark, dusky, blue or even black. This will cause some redness around the umbilicus but it is not necessarily infection. If you are using Neosporin or triple antibiotic ointment, I would use pure Bacitracin as many patients will develop an allergic reaction to the triple antibiotic ointment that looks like infection. As always if you have questions please discuss them with your surgeon who knows you best.