Perioral Dermatitis

Introduction to Perioral Dermatitis

Perioral dermatitis is a common skin condition characterized by a rash that typically forms around the mouth. The term “perioral” literally means “around the mouth,” and “dermatitis” refers to inflammation of the skin. While this condition can affect anyone, it is most frequently observed in young and middle-aged women. However, it can also occur in children, adolescents, and men, though less commonly.

Symptoms of Perioral Dermatitis

Perioral dermatitis often presents as redness, swelling, and acne-like bumps surrounding the mouth. The rash usually encircles the lips, sometimes leaving a clear zone of unaffected skin. Other areas that can be affected include the eyes, nose, cheeks, and forehead. Individuals with this condition might experience a burning or itching sensation, particularly when the affected area comes into contact with skincare products, during washing, or while eating.

Possible Causes

The exact cause of perioral dermatitis is not fully understood. However, certain factors are known to trigger or worsen the condition. These include:

  • Topical Corticosteroids: Prolonged use of corticosteroid creams or ointments on the face can lead to the development of perioral dermatitis.

  • Fluoridated Toothpaste: Some people develop this rash after using toothpaste that contains fluoride or cinnamon.

  • Inhalers and Skincare Products: Ingredients in some inhalers used for asthma, as well as various skincare products like moisturizers, makeup, and sunscreen, can contribute to the onset of this rash.

How Perioral Dermatitis is Diagnosed

A dermatologist usually diagnoses perioral dermatitis through a physical examination of the skin and by reviewing the patient’s medical history. In some cases, a skin biopsy might be performed to rule out other conditions that can present with similar symptoms.

Treatment and Prevention

Managing perioral dermatitis typically involves the following steps:

  • Avoiding Trigger Products: Discontinue the use of topical corticosteroids and replace fluoridated toothpaste if necessary. Switching to gentle skincare products that do not irritate the skin can also help prevent flare-ups.

  • Medications: Your dermatologist may prescribe antibiotics or topical treatments to help clear the rash. It is important to follow the treatment plan as prescribed to avoid recurrence.

  • Moisturizers and Sunscreen: Using non-irritating moisturizers and sunscreens can soothe the skin and prevent further irritation.

Seeking Dermatological Advice

If you notice signs of perioral dermatitis, it is crucial to consult a dermatologist for accurate diagnosis and effective treatment. Self-treating with over-the-counter products, especially those containing corticosteroids, can worsen the condition.

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Dr. Jane Yoo Board-Certified Dermatologist and Mohs Surgeon
Jane Yoo, MD, MPP, is a Korean American board-certified dermatologist and fellowship-trained Mohs surgeon based in Midtown Manhattan. She is a Clinical Assistant Professor at the Icahn School of Medicine at Mount Sinai and the founder of Jane Yoo MD, PLLC and the Clinical Research Center of New York. Dr. Yoo holds an undergraduate degree from MIT and a Masters of Public Policy from Harvard's Kennedy School of Government. She completed her Mohs micrographic surgery fellowship at Yale. Her clinical and research focus spans aesthetic clinical trials including injectables and laser technology, skincare formulation and sunscreen science, K-Beauty and skin of color, ultrasound guided filler dissolution, artificial intelligence and beauty tech. Dr. Yoo's research is indexed under ORCID 0000-0002-7112-8963.