According to the American Academy of Dermatology (AAD), “If you have a rash around your mouth, you may have perioral dermatitis.” The rash may itch, burn, cause acne-like bumps, and will likely consist of skin flaking as well, the AAD notes.

However more severe cases, the skin can become so dry it may even bleed or become infected. But what causes perioral dermatitis?

“The truth is, perioral dermatitis is a symptom that arises from a fluctuating set of circumstances unique to each patient, just as fever can be a symptom of numerous diseases,” skin care expert and founder of clean skin care brand Osmia Sarah Villafranco, M.D. once said

However, there are a few specific causes that are more common, including: 



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