| Red Patch Inside Cheek ??
I'm worried about what this may be. The entire bottom inside of my left cheek is red and slightly raised. It is flat and smooth with no pain. I noticed it after I ate ketchup/mustard...I could feel the acid, and it swelled up. I'm not sure if it was this way before the food. It has been this way for at least a week. Should I see a dentist or dermatologist??
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