Possible canker sore on outside lip, what to do?

Canker sore: Canker sores (aphthous ulcers) are shaped like a crater and normally occur on the tongue, inside of the lip and the cheek, and the floor of the mouth. Cold sores are groups of blisters that usually occur on the outside of the lip and are caused by the herpes simplex virus. Both will usually heal on their own in 7-10 days. Check with your dentist for zsuggestions zon how to alleviate any pain.

No: Canker sores appear in the mouth area (tongue, gums, lip) and are small, shallow ulcers that make talking and eating uncomfortable they are gray in color and have a distinct edge. The sores will usually heal within 10 to 14 days, without treatment. Outside of the lip, most likely a cold soar. See a dentist for proper diagnosis and treatment.