Lower back pain on left side with knots coming up! Making it hard to breath,already rubbed it and tried ice pack

This description could be several diagnoses and we don't diagnose on AMHD for the obvious reason it is impossible to do on the Internet. Please see your healthcare professional for a proper diagnosis.

Hey I am 17 recently I have been having some nipple problems no pain or discharge however they have grown and the nipple seems to have "come out " is this a result of sexual activity with my boyf he has sucked on them 4-5 times but not for long , will they return back to normal if he stops ?