5 days old? Where are you? You need to have him seen by a specialist and get an accurate diagnosis.
My recommendation right now would be to send that image to Dr Levitin and Dr. Nelson via our Ask the expert.
Dr. Levitin is at
and Dr. Nelson is at
While they are both in California, and I dont know where you are, they will give a good solid opinion and get you started on your next step.