What causes a hard lump on the top of the lips?
Patient: Today I noticed a small hard bump on the roof of my mouth.  I have just gotten over a cold and have a cold sore on my lip and also I ate some fried tortilla chips that always tear up my gums could that be it?  I know it wasn't there this morning when I brushed my teeth Doctor: Hi,Thanks for posting the query,       This could be due to infection from the tooth, any type of trauma, beningn lesion. I would suggest you to get a checkup done, an OPG radiograph of thge lesion is required.Is the lesion painful??Could also be due to allergic reaction.Take care!