My daughter has had this since she was born and she’s now 7 months. Her pediatrician says it’s baby eczema but every picture I look up looks NOTHING like this! He’s also proven to not be very trustworthy in my eyes. I have an appointment scheduled with a new doctor but I wanted to see if anyone had any ideas?

Occasionally looks like this:

Literally this picture was taken TWO minutes later...

I was just changing her diaper so I don’t see any reason for it to change color so suddenly. It’s freaking me out!