Related Questions

My canker sore (top right lip) looks deep blood red as if it's been scratched to bits, is this normal? I'm experiencing no pain at the moment.

See your MD. If you have a painless lesion on your lip that is like an ulcer you should see a physician right away and get tested for STDs please. A painless lesion could be a chancre and it would be safest to get you tested. Read more...