I'm experiencing sores on my neck around my jaw area and a few on the upper back in the same area.

Acne? Other?: You ashould always remember that when you see something on your skin ANYWHERE, that you don't understand, you owe it to yourself to report to a dermatologist and get it checked! That said, in terms of frequency, acne is definitely the most common cause, and this is where your local dermatologist can be maximally helpful. Scarring which is incredibly difficult to fix, is a frequent result