This could be a cold sore or a pimple. Cold sores are caused by the herpes simplex virus, and they're contagious. Signs and symptoms of cold sores include:
-Small, painful
Cold sores generally clear up without treatment in seven to 10 days. If you experience frequent bouts, your doctor may prescribe an antiviral medication to treat cold sores.
I have had the same thing and went to the doctor. She told me it was PERIORAL DERMATITIS. It's a cross between eczema and acne. I tried popping it but it just got worse. This is very hard to control pretty much everything you use, face soap, toothpaste, chapstick, etc has ingredients that cause this problem. YOu have to use only natural products,, it *****:(