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A 39-year-old member asked:

What could be the cause of redness in corner of mouth?

1 doctor answer1 doctor weighed in
Dr. Jake Richards
Dentistry 14 years experience
Irritation: You may have a few different things. It could be an area that doesn't dry out much (licking) and may or may not have a fungal infection, possible viral lesion such as a form of herpes labalis, it could be from trauma of a split lip that just hasn't healed.
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Last updated Mar 19, 2018
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