Perioral Dermatitis vs Acne Around the Mouth: How to Tell

Small red or skin-colored bumps around the mouth are often perioral dermatitis rather than true acne. Perioral dermatitis tends to cluster in a rash with dry, flaky or burning skin and often follows use of steroid creams or heavy products. Acne usually includes blackheads and whiteheads. Because treatments differ, a dermatologist should confirm which one you have.

Key takeaways

  • Not all "mouth acne" is acne: perioral dermatitis looks similar but is a different condition with different treatment.
  • Steroid creams are a common trigger: the American Academy of Dermatology (AAD) lists prolonged use of corticosteroid creams, including hydrocortisone, as a common cause.
  • Heavy creams can make it worse: occlusive moisturizers, cosmetics and some toothpastes may contribute.
  • Less is more: stopping most products and using a gentle, fragrance-free routine is a core part of treatment.
  • It takes time: the AAD says clearing can take a few weeks to a few months.

What is perioral dermatitis?

Perioral dermatitis is an inflammatory facial rash. It most often appears around the mouth, but it can also affect the skin around the nose and eyes, which is why dermatologists sometimes call it periorificial dermatitis. According to DermNet, it mostly affects young to middle-aged women, although children and men can get it too.

The AAD describes it as small, red, acne-like bumps on lighter skin and skin-colored bumps on darker skin. The surrounding skin can feel dry, flaky, tight, itchy or burning. A characteristic clue is a narrow band of clear skin right at the edge of the lips, which is usually spared. It is not contagious.

Perioral dermatitis or acne: what's the difference?

The two can look alike at a glance, and both can produce pustules. The key differences are in the type of bumps and how the skin around them feels.

FeaturePerioral dermatitisAcne around the mouth
BumpsClusters of tiny, uniform red or skin-colored bumps, sometimes with small pustulesMixed sizes, including blackheads, whiteheads, papules and sometimes deeper cysts
Blackheads and whiteheadsNot typicalTypical
Surrounding skinOften dry, scaly, tight, itchy or burningOften oily; usually not scaly
Lip borderUsually a clear rim of skin next to the lipsBumps can sit right up to the lip line
Other locationsAround the nose and eyesChin, jawline, forehead, back and chest
Reaction to steroid creamsImproves briefly, then flaresSteroids are not an acne treatment

DermNet also lists other look-alikes, including rosacea, seborrheic dermatitis, contact dermatitis, lip licker's dermatitis and impetigo. Some of these need very different care, which is one reason a professional diagnosis matters. If bumps around the mouth have left marks behind, our guide to fading post-acne marks around the lips explains your options.

What triggers perioral dermatitis?

The exact cause is not fully understood. DermNet notes that one proposed explanation is a disrupted skin barrier. Several triggers come up again and again.

Topical steroids

This is the most strongly linked trigger. DermNet lists topical, inhaled and nasal steroids as the most common association. Many people reach for an over-the-counter hydrocortisone cream because it calms the rash at first. The AAD warns that the relief is temporary and that restarting the cream can cause flares, which sets up a frustrating cycle.

Heavy creams and cosmetics

Thick, occlusive moisturizers and ointments, layered cosmetics and foundation can trap heat and irritate the area. DermNet also mentions physical sunscreens in children as a possible contributor. If you have been applying rich balms around your mouth to soothe dryness, they may be part of the problem. For dryness on the lips themselves, see our article on chronically dry lips that won't heal.

Other possible factors

  • Toothpaste and some dental products
  • Allergies to something that touches the skin
  • Hormonal changes, including oral contraceptives, pregnancy and premenstrual flares
  • Heat, wind and ultraviolet light

How is perioral dermatitis treated?

Simplify your routine ("zero therapy")

Dermatologists often start by asking you to stop using most facial products. The AAD recommends switching to a mild, fragrance-free cleanser and washing gently. DermNet suggests washing with warm water, using a bland, non-occlusive moisturizer only if needed, and choosing a gel or liquid sunscreen. If you have sensitive, reactive skin in general, our guide to gentle routines for sensitive skin covers how to keep things minimal.

Stop steroid creams the right way

If you have been using an over-the-counter hydrocortisone cream on your face, the AAD advises stopping it and not restarting it. If a doctor prescribed a corticosteroid, do not stop on your own: ask your prescriber first. DermNet notes that a flare is common after stopping, and that a gradual taper with a non-steroid alternative is sometimes used to soften the rebound.

Prescription treatment

A dermatologist may prescribe a topical treatment, such as metronidazole, erythromycin or pimecrolimus, or an oral antibiotic from the tetracycline family. According to DermNet, courses usually run for several weeks, and stopping too early can lead to the rash returning. Treatment choices differ for children and during pregnancy, so always tell your clinician if either applies.

What about acne treatments?

If the bumps turn out to be acne, treatment looks different and may include ingredients that can irritate perioral dermatitis. That is why you should not assume one or the other. If you do have true acne elsewhere on your face, our overview of prescription topical options for cystic acne explains some approaches a dermatologist may discuss.

How do you break the cycle?

  1. Pause and list everything you apply around your mouth, including lip products, balms and toothpaste.
  2. Stop any non-prescribed steroid cream and do not restart it, even if the rash flares at first.
  3. Strip back to a gentle cleanser and, only if needed, a light, fragrance-free moisturizer.
  4. Avoid heavy ointments, scrubs and picking.
  5. See a dermatologist for diagnosis and, if needed, prescription treatment.
  6. Be patient and finish the course. Improvement is gradual.
  7. Reintroduce products slowly, one at a time, once the skin has settled, so you can spot a trigger.

When should you see a dermatologist?

Book an appointment if a rash around your mouth, nose or eyes does not improve after a few weeks of a simple routine, keeps returning, spreads, or is affecting your confidence. See a doctor promptly if the area becomes crusted with honey-colored crusts, painful, or blistered, or if you have a fever, since that may suggest an infection. Parents should have a child's facial rash checked rather than treating it with steroid creams at home. The AAD recommends a board-certified dermatologist if the rash does not go away.

Frequently asked questions

Can perioral dermatitis go away on its own?

Sometimes. The AAD notes that the rash may clear on its own, but it can also last for weeks to months, and DermNet says untreated cases may persist for months or longer. Removing triggers such as steroid creams and heavy products helps many people. If it lingers or keeps returning, a dermatologist can offer treatments that speed recovery.

Why did my rash get worse after I stopped the steroid cream?

A temporary flare after stopping a topical steroid is common with perioral dermatitis. The cream suppresses the rash briefly, so stopping can cause a rebound. The AAD advises against restarting the cream, because it brings only short relief and feeds the cycle. A dermatologist can suggest ways to manage the rebound while the skin recovers.

Should I use acne products on bumps around my mouth?

Not until you know what the bumps are. Some acne products can irritate perioral dermatitis and make it worse, while true acne needs targeted treatment. Clues like dry, flaky skin, tiny uniform bumps and no blackheads point toward perioral dermatitis, but a dermatologist should confirm the diagnosis before you start active ingredients.

This article is for general information and is not medical advice.

Last reviewed: October 2026.

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