Perioral dermatitis is a red, bumpy, sometimes flaky rash around the mouth and nose that often spares a thin border next to the lips. When it appears around the eyes it is called periocular dermatitis. It is commonly triggered by steroid creams on the face, heavy creams and some toothpastes, and usually clears by stopping the trigger, simplifying skin care and, if needed, a doctor's treatment. This guide links all our articles on face rashes.
By Ava Huang Jia Yi, Herbal Science Researcher · Updated
Why steroids can trigger face rashes and how to stop them safely.
Conditions that can look like perioral dermatitis.
Ingredients to look for and avoid.
Patch testing, amounts and the areas to avoid.

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Stopping the trigger (especially steroid creams, heavy creams and fluoride or flavoured toothpaste), washing with water or a gentle cleanser and, if it persists, a doctor's prescription cream or tablets. Most cases improve over several weeks.
It is best avoided. Steroid creams can make the rash look better for a few days but often make perioral dermatitis worse over time.
No. It is an inflammatory skin reaction, not an infection you can catch.
Small red bumps around the mouth or nose with a clear rim next to the lips are typical. Rosacea, eczema, seborrheic dermatitis and fungal acne can look similar, so see a doctor if you are unsure or it is not improving.
These guides are educational and do not replace medical advice. See a doctor for a rash that is severe, spreading, painful, infected or not improving after 2 weeks.