She'll examine him and probably evaluate a stool culture for signs of a bacterial infection. (babycenter.com)
Hair loss, lesions and an odor are also signs of a bacterial infection of the skin. (homeremediesfor.com)
I am by no means judging this, but just find that there may be other factors at play (i personally would be happy if it was a surefire sign of bacterial infection so i could know exactly how to proceed). (perfecthealthdiet.com)