I was riding my fourwheeler last week, when something, I'm not sure what, hit my chin. It started off as a small little red spot, that has since become and open sore. It itches really bad, and if I soak it and wipe away the crust it just oozes, no blood. And I now noticed little bumps forming around the big sore! I was thinking maybe a sting or bite? But kinda reminds me of impetigo