Perioral dermatitis is a facial eruption of small bumps around the mouth that can resemble acne. A similar pattern near the nose or eyes is often called periorificial dermatitis. The name describes a pattern, not a diagnosis you can establish from a photograph. [1]
Understanding the pattern can help you make sense of a skincare problem without treating every bump as acne. The important distinctions involve what the lesions look like, where they occur and which products or medicines need review.
What does perioral dermatitis look like?
Note where the rash began, whether it spread and what the skin feels like. These details matter even when the overall change seems subtle.
Perioral dermatitis can feel sore or burning and may look dry or flaky. Its color varies with skin tone: darker or purple-looking changes may be more noticeable than redness. [2] A relatively clear strip beside the lip border sometimes occurs, but it is not a reliable home test. [3]
Similar-looking problems do not share one treatment
Different features help an examining clinician consider the possibilities:
| Condition being considered | Information worth bringing to the assessment |
|---|---|
| Perioral dermatitis | A cluster of similar small bumps around the mouth, sometimes with a pattern around the eyes. [3] |
| Acne | Blackheads, whiteheads and a mixture of inflamed or deeper lesions. [6] |
| Rosacea | Flushing, persistent facial color changes, visible vessels or eye symptoms alongside acne-like bumps. [7] |
| Contact dermatitis | An itchy rash after skin contact with an irritant or allergen. [8] |
Our guide to acne and rosacea guide explain those separate conditions. No single feature in the table confirms or rules out a diagnosis.
Causes and possible triggers
The cause is not fully understood. Steroid medicines and some facial products have been associated with the condition, but an association does not establish the cause of your own rash. [2,5]
Steroid medicines need a prescriber conversation
Topical steroids can contribute to this problem, and stopping them can produce a temporary flare. A clinician may need to manage the change. Do not independently stop or restart prescribed creams, nasal sprays, inhalers or oral steroid medicines because of a facial rash. Discuss them with the prescriber. Do not start hydrocortisone as an experiment on an undiagnosed eruption. [3,4]
Gentle skin care
Avoid squeezing the bumps. [2] Review whether heavy creams or cosmetics seem to aggravate the area. [5] Clean gently without scrubbing; if you need a moisturizer, discuss a simple fragrance-free option your skin tolerates. More steps are not automatically more helpful. [2]
Sun protection also needs a tolerable choice. PCDS guidance suggests considering less greasy sunscreen formulations. If your current product stings, discuss an alternative rather than interpreting the problem as a reason to abandon all protection. [5]
Retinoids can irritate inflamed or sensitive skin. Do not assume that adding retinol will correct a rash because the bumps resemble acne. Our retinol guide covers that ingredient separately; it is not a perioral-dermatitis treatment plan. [9]
What medical assessment and evidence can tell you
A clinician examines the skin and considers the history. Additional testing may be needed if another diagnosis is suspected. [4] Patch testing investigates possible contact allergy when appropriate; it does not automatically establish perioral dermatitis. [14]
Medical treatment may be appropriate. A 2008 adult trial found improvement with pimecrolimus compared with its cream vehicle, although the treatment period was short and the comparator imperfect. [10]
In a 1991 eight-week trial involving 108 patients, oral tetracycline was more effective than topical metronidazole, although both groups improved. That older comparison of two options does not mean everyone needs the oral medicine. [11]
How long can recovery take?
The course may extend over months, and the eruption can recur. [4]
For follow-up, track changes in the area involved, the bumps and discomfort. Note which agreed changes you made and when. This gives you a clearer account of progress than repeatedly comparing your face with someone else's before-and-after photographs.
When to seek medical care
Seek medical assessment if the eruption persists or worsens. Eye irritation also needs evaluation rather than being assumed to come from the surrounding skin. [4,12]
Severe eye pain, altered vision or marked sensitivity to light need urgent medical attention. [12] Sudden swelling of the lips, mouth, tongue or throat, or difficulty breathing or swallowing, can signal an emergency. Seek emergency care rather than waiting for a skin product to help. [13]
Sources
- American Academy of Dermatology. Patient guidance on perioral dermatitis.
- British Association of Dermatologists. Perioral dermatitis leaflet, updated 2023.
- Primary Care Dermatology Society. Clinical guidance on perioral and periocular dermatitis.
- MedlinePlus. Perioral dermatitis; reviewed August 2025.
- Primary Care Dermatology Society. Patient information, updated January 2025.
- American Academy of Dermatology. Acne signs and lesion types.
- American Academy of Dermatology. Rosacea overview.
- American Academy of Dermatology. Contact dermatitis overview.
- American Academy of Dermatology. Retinoids, retinol and skin tolerance.
- Schwarz T and colleagues. Adult pimecrolimus trial, 2008. DOI: 10.1016/j.jaad.2008.03.043.
- Veien NK and colleagues. Topical metronidazole versus oral tetracycline trial, 1991. DOI: 10.1016/0190-9622(91)70038-4.
- NHS. Red eyes and urgent warning signs.
- NHS. Angioedema and emergency symptoms.
- Cambridge University Hospitals. Patient information on patch testing.