Perioral Dermatitis vs Impetigo

Perioral dermatitis is a rash of small bumps and fine flaking around the mouth, and sometimes around the nose and eyes. Steroid creams are the most common trigger, and they are also what makes it worse in the long run. It clears with the right treatment, but slowly. Impetigo is a common bacterial skin infection that sits in the top layer of the skin. It shows up as sores that break open and dry into a golden-yellow crust. It is very contagious, mostly affects children, and clears quickly once it is treated.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist · Research updated 2026-10-23
AI-generated educational illustration of Perioral Dermatitis: 1. Perioral Dermatitis Header — Light Skin; Lighter skin. Not a clinical photograph.Honey-colored crusted sores on light skin.

Key differences

The same eight facts on every condition comparison.

Usual age
20 to 45
Young children
Where
Around mouth, nose, eyes
Around nose and mouth; arms, legs
Main sign
Tiny bumps with a clear rim by the lips
Sores with a golden-yellow crust
Itch or pain
Burning more than itch
Mildly itchy
Contagious
No
Yes, very
Long term
Clears in weeks to months
Clears in a week with treatment
Scars
No
Rarely
Who gets it
Mostly women; steroid cream users
Children; broken or eczema skin

What is it?

Perioral Dermatitis
Impetigo
What is it?

It is a facial eruption.
Small inflamed bumps form around the mouth, nose or eyes.

The skin often feels uncomfortable.
It may feel dry, tight, burning or scaly.

The lip border is often spared.
A narrow clear zone beside the lip is common.

Simpler routines help.
Harsh actives, heavy products and steroid self-treatment can worsen it.

It is a bacterial skin infection.
Staphylococcus aureus and group A streptococci are the usual causes.

It has two forms.
Nonbullous impetigo forms crusts; bullous impetigo forms blisters.

Bacteria enter broken skin.
Eczema, scratches and bites are common entry points.

Testing is selective.
Swabs help with recurrent, resistant or unusual cases.

What it looks like

Perioral Dermatitis

Perioral Dermatitis: Bumps around the mouth; Clear lip border; Perioral.

Perioral dermatitis Around the mouth.

Perioral Dermatitis: Periorbital.

Periorbital dermatitis Around the eyes.

for Granulomatous (Perioral Dermatitis).

Granulomatous periorificial dermatitis Skin-colored or yellow bumps, often in children.

Perioral Dermatitis: Around the nose.

Perinasal dermatitis Can spread to the nose folds.

Impetigo

Honey-colored crusted sores on the chin, representing non-bullous impetigo.

Non-bullous impetigo Sores with honey-colored crusts; most common.

Large blisters of bullous impetigo.

Bullous impetigo Larger fluid-filled blisters.

A deep crusted sore with a narrow red rim on the leg, representing ecthyma.

Ecthyma Deeper, punched-out ulcers.

Skin tones
Perioral Dermatitis: 1. Perioral Dermatitis Header — Light Skin; Lighter skin.
Perioral Dermatitis: 2. Perioral Dermatitis Header — Medium Skin; Medium skin.
Perioral Dermatitis: 3. Perioral Dermatitis Header — Brown Skin; Brown skin.
Perioral Dermatitis: 4. Perioral Dermatitis Header — Deep Skin; Darker skin.
Honey-colored crusted sores on light skin.
Honey-colored crusted sores on medium skin.
Honey-colored crusted sores on brown skin.
Honey-colored crusted sores on deep brown skin.
Diagram
Perioral Dermatitis mechanism diagram. Small bumps and scale appear: The mouth, nose, or eye area can be affected. Susceptible skin becomes irritated: Barrier changes and several exposures may contribute. Inflammation gathers near follicles: The exact cause is not fully understood.
Impetigo mechanism diagram. Dried fluid forms a crust: Honey-colored crust is a common clue. Bacteria reach damaged skin: Staph or strep can enter small breaks. A shallow blister or sore develops: The infection involves the skin surface.
In the skin

Inflammation near small facial follicles produces bumps and scale around the mouth, nose or eyes. Barrier changes and several exposures may contribute, but the exact cause is not fully understood.

Bacteria infect the superficial skin, often after a small break in the barrier. Shallow sores or blisters can release fluid that dries into a honey-colored crust.

Where it shows up

Around the mouth, nose or eyes
Around the nose or mouth and on exposed limbs

When it usually starts

010203040506070+

Perioral Dermatitis. Common in younger adult women but can also affect children and other adults.

Impetigo. Most common in young children, although any age can be affected.

Causes and triggers

Causes

Perioral dermatitis is an inflammatory rash around the mouth. The exact cause isn't known, but it is strongly linked to steroid creams and heavy products on the face.

Impetigo is a skin infection caused by staph or strep bacteria entering through small breaks in the skin.

Risk factors
Women aged 20 to 45, Children, Using steroid creams on the face
Children aged 2 to 5, Eczema, Hot, humid weather, Contact sports
How it spreads
  • Touching sores — Well established
  • Scratching — Well established
  • Cuts, bites and scrapes — Strong link
  • Shared towels and clothing — Strong link
Trigger
● Perioral Dermatitis
● Impetigo
Topical or inhaled steroids
Well established
Not listed
Heavy moisturizers and makeup
Strong link
Not listed
Fluoride toothpaste
Possible
Not listed
Hormone changes
Possible
Not listed

Daily Care

Perioral Dermatitis
Impetigo
Daily care

Habits that help

  • Strip the routine back
    Gentle cleanser, light moisturizer, sunscreen, nothing else.
  • Rinse after your inhaler or nasal spray
    Removes the residue.
  • Simplify makeup rather than stopping it
    Light mineral makeup, removed gently.
  • A simple daily sunscreen
    Stops the dark marks deepening.
  • Topical metronidazole
    The long-standing first-line cream.
  • Topical erythromycin or clindamycin
    For cases the first choice misses.
  • An oral tetracycline course
    Clears widespread cases faster than creams.
  • An oral macrolide for children
    Used instead of a tetracycline.

Avoid

  • Avoid: Occlusive balms, moisturizers and oils
    Thick products trap and disturb the barrier.
  • Avoid: Full-coverage makeup and primers
    The heavier the product, the more it turns up.
  • Avoid: Layering actives, acids and scrubs
    Stacked, they strip the barrier.
  • Avoid: Lip balms used constantly, and lip licking
    Keeps the skin beside the lips wet.
  • Avoid: Face masks and anything occlusive
    Heat, moisture and friction for hours.
  • Avoid: Hot water, harsh cleansers, over-washing
    They strip a damaged barrier further.
  • Avoid: Fluoride toothpaste
    Reported by some, though the evidence is weak.
  • Avoid: Stopping the prescription early
    Improvement at week three is not clearance.
  • Avoid: Hydrocortisone
    The most common self-treatment for this rash and the most common cause of it. It looks like it is working within two days, and the rash comes back worse when it stops, which pulls people into using it again. Even the mildest over-the-counter strength does this. If you are using one now, that is the thing to stop first, with your doctor's help if it was prescribed.
  • Avoid: Steroid creams of any strength
    Prescription steroid creams do the same thing on the face as the over-the-counter one: fast improvement, then a worse rash when they stop. Stronger ones make the cycle harder to break and can thin the skin. If a steroid was prescribed for something else on your face, ask about stopping it rather than stopping it abruptly on your own.

Habits that help

  • Soaking off the crusts gently
    The ointment reaches the sore.
  • Wash gently with soap and water
    Twice a day, clean cloth.
  • Short fingernails and clean hands
    Limits the spread.
  • Cover the sores loosely
    A light non-stick dressing.
  • Own towel, flannel and bedding
    One each, washed hot.
  • Keep away from school and sport
    Until about 24 hours of treatment.
  • Treat the underlying skin problem
    This prevents the next one.

Avoid

  • Avoid: Scratching
    Opens fresh breaks, carries bacteria on.
  • Avoid: Picking off the crusts
    Reopens the sore, loads the fingers.
  • Avoid: Sharing towels, bedding and clothing
    The main household route.
  • Avoid: Warm, humid conditions and heavy sweating
    Soften the skin; bacteria establish easily.
  • Avoid: Leaving weeping sores uncovered
    They load every surface.
  • Avoid: Untreated or undertreated eczema
    Scratched skin is the entry point.
  • Avoid: Close contact before treatment starts
    Nursery, school and sport spread it fast.
  • Avoid: Scabies, head lice or insect bites
    Untreated, they keep breaking skin.
  • Avoid: Steroid cream on its own
    A steroid cream calms redness and itch but does nothing to bacteria, so used alone on impetigo it lets the infection carry on. This matters most where impetigo has landed on a patch of eczema and the steroid is already in the house. In that situation both problems are treated, with the antibiotic doing the work on the infection.

Treatment differences

Evidence labels come from each condition’s own treatment list.

Treatment
● Perioral Dermatitis
● Impetigo
Filter by type
All types
Impetigo type

Select one or more.

Over-the-counter
Educational still life: shampoo.

Acne washes, acids and scrubs

Avoid

Benzoyl peroxide, strong exfoliating acids and scrubs are what most people reach for, because this looks like acne. They damage the barrier further and usually make the rash angrier. If a product is stinging more than it was on day one, that is a reason to stop it, not to push through.

Five azelaic acid tubes and bottles on white, most marked 10 percent, from Peach Slices, Paula's Choice, Facetheory, The Ordinary and Naturium

Azelaic Acid

Limited evidence

The one over-the-counter active worth using here. At 10 percent it calms the bumps and, unusually, also helps the dark marks the rash leaves behind. It is slower than the prescription version and it can sting on skin that is already burning, so start every other night.

Four sulfur acne products: Kate Somerville EradiKate, De La Cruz 10% sulfur ointment, The Ordinary and Thayers

Sulfur

Limited evidence

A sulfur wash or lotion is a gentler option for mild cases, and it is often chosen when someone cannot use the usual prescriptions. The evidence for it in this condition is thin, and the smell puts people off. It is worth a few weeks, not a few months.

Illustration: Generic topical cream tube and white cream.

Shop antiseptic creams

Limited evidence

General antiseptic ointments from the shelf are not the same thing as a prescription antibiotic ointment and usually do not clear impetigo. The main cost of trying them is time: the infection keeps spreading and the child stays off school for longer than they needed to.

Prescription topicals
MetroGel — Header Image

MetroGel

Moderate evidence

The long-standing first choice for perioral dermatitis, used once or twice a day for weeks. It is well tolerated on skin that is already sore, which matters here. Expect little in the first fortnight, clear improvement by weeks three to six, and keep going for two to four weeks after the skin looks clear.

16:9 hero for Elidel. Never cropped: the tone strip and the corner logo depend on the full frame.

Elidel

Moderate evidence

A non-steroid anti-inflammatory cream sometimes used to get through the rebound after a steroid is stopped, and around the eyes where other options are awkward. It calms the skin without the rebound a steroid causes. Results in this condition are mixed, and it can burn for the first few days.

Finacea — Header Image

Finacea

Limited evidence

As effective as metronidazole here, and the better pick if the rash has left dark marks, because it works on both. It stings for the first week or two on inflamed skin. Applied twice a day, it is a reasonable alternative rather than a step up.

A white metal tube lying at an angle on a white background, white ribbed cap to the left, labeled Clindamycin in black lettering with a teal swoosh curving beneath the word.

Clindamycin

Limited evidence

An antibiotic lotion or gel kept for cases that do not settle on the first choice, sometimes paired with it. It calms the bumps rather than the flaking. It is not used on its own for long stretches, to limit resistance.

Soolantra — Header Image

Soolantra

Limited evidence

Used when Demodex mites around the hair follicles are thought to be part of the picture, which is more likely in a stubborn case with a lot of small pus-filled heads. Most of its evidence comes from rosacea rather than this condition. It is a second or third choice, not a starting point.

Mupirocin — Header Image

Mupirocin

Strong evidence

The usual first choice for a small number of patches, applied three times a day for about five days after the crust has been softened off. For a few sores it works as well as tablets and avoids their side effects. It is also the ointment used inside the nostrils when impetigo keeps coming back and long-term carriage in the nose is the reason.

Cream — stock illustration

Fusidic acid

Strong evidence

An equally effective alternative ointment for a few small patches, used three times a day for five to seven days. Which of the two you are given depends mostly on local resistance patterns and what your country prescribes first. Neither is enough on its own once the infection is widespread.

Ozenoxacin

Moderate evidence

Ozenoxacin cream. A newer antibiotic cream for the crusted form, used twice a day for five days. It is an option where resistance to the older ointments is a problem, and it works against some resistant staph. It is not widely stocked and is usually the more expensive choice.

Prescription pills
Cream — stock illustration

Erythromycin

Moderate evidence

Erythromycin for children. When a child needs tablets, a macrolide is chosen instead of a tetracycline, which is avoided under about eight because of the effect on developing teeth. It clears the widespread childhood form well. Stomach upset is the usual reason people stop it.

An amber prescription bottle lying on its side on a white background with a plain white label reading Doxycycline, and six small round white tablets spilled out in front of it.

Doxycycline

Moderate evidence

A tetracycline tablet taken for six to twelve weeks, used when the rash is widespread, stubborn or around the eyes. It works here as an anti-inflammatory rather than by killing an infection, so a low dose is often enough. It makes the skin burn more easily in the sun, and it is not used in young children or in pregnancy.

16:9 hero for Minocycline. Never cropped: the tone strip and the corner logo depend on the full frame.

Minocycline

Moderate evidence

An alternative tetracycline when doxycycline does not suit. It works about as well for this rash. It is used more cautiously because it can cause dizziness and, rarely with long use, a blue-gray discoloration of the skin.

A white blister pack photographed flat on a white background, holding eight white oblong capsules in two rows of four under clear domes. ACCUTANE is printed in blue capitals on the empty left half of the foil.

Accutane

Limited evidence

Accutane (isotretinoin). A low dose is occasionally used for the granulomatous form or for a case that has failed everything else, and it is rare for this condition to need it. The evidence is a handful of small reports rather than trials. It requires close monitoring and strict pregnancy prevention, and it can dry the face enough to irritate the rash at first.

A white metal tube lying at an angle on a white background, white ribbed cap to the left, labeled Clindamycin in black lettering with a teal swoosh curving beneath the word.

Clindamycin

Moderate evidence

Used when there is a penicillin allergy, or when a swab shows resistant staph. It works well against the bacteria that cause impetigo. It upsets the stomach more than the first-choice options and, uncommonly, can cause a serious bowel infection, so any diarrhoea during or shortly after a course is worth reporting.

An amber prescription bottle lying on its side on a white background with a plain white label reading Doxycycline, and six small round white tablets spilled out in front of it.

Doxycycline

Moderate evidence

Reserved for adults and older children when a swab shows resistant staph, and not used in young children or in pregnancy — ask your doctor if either applies. It is a reasonable option for the age group that fits it, but for the usual patient with impetigo, a small child, it is not the drug.

Flucloxacillin or cephalexin

Flucloxacillin or cephalexin

Strong evidence

The usual tablets or liquid when the infection is widespread, spreading fast, blistering, or the person feels unwell. A course runs about seven days, and the contagious period ends after roughly the first day of it. Finish the course even once the crusts have gone, because stopping early is one of the common reasons it comes straight back.

Outlook

Long term

Perioral dermatitis does not usually settle by itself. The steroid cycle defines its course - a cream calms the rash within a day or two, then it returns worse once the cream stops. Once treatment starts the arc is predictable, and the first part is worse before better.

Impetigo moves fast - it appears over days and, treated, clears in about a week. Untreated it usually resolves in around 2 to 3 weeks, but it spreads much further meanwhile, stays contagious throughout, and carries more risk of complications. Ecthyma, the deeper form, takes several weeks and does scar.

Complications

Possible complications
  • The steroid rebound cycle
  • Spread around the eyes
  • Months of a visible facial rash
More details

The steroid rebound cycle
A steroid cream calms the rash within a day or two, then it returns worse when the cream stops. Each round tends to need more steroid for less benefit, and the condition gets harder to treat. It is the most common complication of perioral dermatitis and the main reason cases drag on for months. Stopping the steroid, and expecting one to two bad weeks, is what breaks it.

Spread around the eyes
The same rash can move up onto the eyelids and the skin around the eyes. It is uncomfortable there, it takes longer to settle, and treatment has to be chosen carefully because of how close it is to the eye. If the eyes themselves become red, gritty or sore, or your vision changes, that needs looking at on its own and soon.

Months of a visible facial rash
This rash sits in the middle of the face, it burns through the day, and it commonly takes two to three months to clear even when treatment is right. People cover it with heavier makeup, which feeds the problem, and many stop seeing friends or go to work uncomfortable. It is worth saying out loud at the appointment, because it changes nothing about the diagnosis and quite a lot about how the plan is set up.

  • Cellulitis
  • Ecthyma — the deeper form
  • Days off school and spread at home
More details

Cellulitis
Occasionally the bacteria get past the top layer and into the deeper tissue. The area around the sores becomes swollen, hot and increasingly painful, with redness or darkening spreading outward into normal skin, and the person often feels unwell with it. It is uncommon and it is treatable, but it needs antibiotic tablets rather than a cream, and it is a same-day problem rather than one to watch overnight.

Ecthyma — the deeper form
When the infection punches through into the layer below, it forms a punched-out ulcer under a thick, hard crust, most often on the lower legs. It is the one form of impetigo that heals slowly and does leave a scar. It is more likely where sores have been picked at, where treatment was delayed, and in people with diabetes or a weakened immune system. It needs antibiotic tablets, not an ointment.

Days off school and spread at home
Most settings ask for about 24 hours of antibiotic treatment before a child returns, with any remaining sores covered, so treating early is what gets them back soonest. The bigger cost is usually at home: without separate towels, bedding and hot washing, it works its way through the other children and sometimes the adults, and each new person starts the clock again.

When to get help

When to get help

Seek assessment for persistent facial bumps, especially after steroid cream use. Discuss a safe plan for stopping facial steroids rather than repeatedly restarting them.

Seek treatment for suspected impetigo. Spreading redness, fever, marked pain or a newborn with blisters needs prompt assessment.

Common questions

Perioral Dermatitis:Why did the steroid cream make it worse?

Steroids suppress inflammation quickly, so the rash fades within a day or two. They do nothing about what drives it, and when the cream stops the inflammation returns stronger, needing more steroid for less benefit. That is why the first step is always to stop.

Perioral Dermatitis:How long will it take to clear?

Longer than most people expect. The first one to two weeks off a steroid are usually worse, improvement becomes clear around weeks three to six, and full clearing commonly takes two to three months. Judging at two weeks means judging it at its worst.

Perioral Dermatitis:Is this acne?

No, though it is often treated as acne first. Acne produces blackheads and whiteheads, across the face, chest and back. Perioral dermatitis produces uniform grouped bumps around the mouth, nose or eyes, with a clear rim next to the lips, and it burns rather than itches.

Perioral Dermatitis:Do I really have to stop all my skincare?

For a few weeks, mostly yes. Heavy occlusive products are a main trigger, and layered actives keep the barrier damaged. A gentle cleanser, a light moisturizer if needed, and sunscreen is the whole routine while it clears. Products go back one at a time afterward.

Perioral Dermatitis:Will it come back?

Most people clear and stay clear. When it returns there is usually an identifiable reason - a steroid cream for something else, a new heavy moisturizer, or a long routine again. Knowing your trigger is most of the prevention.

Perioral Dermatitis:Should I stop my asthma inhaler?

No. Never stop a prescribed inhaler on your own. Rinsing your mouth and washing the skin around it after every dose cuts the residue reaching your face, and your dermatologist can talk to whoever manages your asthma if the inhaler is the driver.

Impetigo:How long is it contagious?

Until about 24 hours after antibiotics start, or until the sores have fully dried and crusted if untreated, which takes far longer. That is why treatment is offered even though it would clear on its own - it cuts the contagious period from a week or more to about a day.

Impetigo:When can my child go back to school or nursery?

Most settings ask for around 24 hours of antibiotic treatment first, with remaining sores covered. Rules vary between countries, schools and nurseries, so check the policy.

Impetigo:Will it leave a scar?

Ordinary impetigo almost never scars, because it sits in the top layer of skin. Flat pink, brown or pale marks fade over weeks to months, more slowly on deeper skin tones. Ecthyma, the deeper ulcerating form, does scar, and picking raises the risk in any form.

Impetigo:Why does my child keep getting it?

Usually eczema that is not fully controlled, which keeps supplying broken skin. Other reasons are scratching from bites or scabies, shared towels and bedding, or long-term Staphylococcus aureus in the nose. Look at those rather than repeat the antibiotic.

Impetigo:Can adults catch it from their child?

Yes, though it is much less common in adults with healthy skin. The risk rises with eczema, a cut, a graze or any other break. Separate towels, handwashing after applying the ointment, and hot washing of bedding reduce the chance.

Impetigo:Should I use a cream or tablets?

It depends how much skin is involved. A prescription ointment works as well as tablets for a few patches and avoids the side effects of oral antibiotics. Tablets or liquid are for widespread infection, rapid spread, large blisters, or an unwell child. Make that call with a doctor.

Sources

Sources and further reading

  1. DermNet
  2. DermNet
Dermapedia on YouTube