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A member asked:

Corners of mouth have been dry and burning on and off for three weeks with no redness and no signs of blisters or cracking.

A doctor has provided 1 answer

Cheilitis: First make sure you are not on a fad diet that depletes nutrients and vitamins. Cheilitis (lips) and glossitis (tongue) are classic for vitamin deficiency. Take daily multivitamins and supplemental vitamin C 1000mg per day. Apply moisturizing lip balm. If these measures fail, go see a dermatologist.

Answered 9/30/2017

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