Cold Sore or Something Else?

Liz • Mommy to perfect girl Payton 💓

I’m waiting on insurance to kick in from my new job, so I can’t go to the doc right now. Had this lil bump appear overnight the other day and it won’t go away. It’s a little tender but otherwise doesn’t hurt or anything. Any idea what it could be?

(Pushing with my tongue in top pic, it’s not swollen)