Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
This is likely infected from skin bacteria.
Staphylococci, is a common concern.
You will likely need oral antibiotic course.
Please apply ice around the area.
Please go to the urgent care today if possible to prevent spread of infection.Best wishes,It was my pleasure to help you today.If I have answered all your questions, Please rate my response Excellent (click on the 5th star on top).Please bookmark my profile for fast, reliable authentic answers!This is the link to my profile:http://www.justanswer.com/medical/expert-mysticdoc/