Perioral Dermatitis vs Lip-Licking Rash

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. An irritant rash caused by repeated saliva contact from licking the lips.

Research updated 2026-10-23
AI-generated educational illustration of Perioral Dermatitis: 1. Perioral Dermatitis Header — Light Skin; Lighter skin. Not a clinical photograph.Closed lips with dry, patchy irritation extending across the lip border onto nearby skin.

Key differences

The same eight facts on every condition comparison.

Usual age
20 to 45
Childhood onward
Where
Around mouth, nose, eyes
Lips and ring around the mouth
Main sign
Tiny bumps with a clear rim by the lips
Red, chapped ring around the lips
Itch or pain
Burning more than itch
Sore
Contagious
No
No
Long term
Clears in weeks to months
Clears when licking stops
Scars
No
No
Who gets it
Mostly women; steroid cream users
Children; dry weather

What is it?

Perioral Dermatitis
Lip-Licking Rash
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.
  • What it is
    An irritant rash caused by repeated saliva contact from licking the lips.

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.

Lip-Licking Rash

A mouth surrounded by a wide red dry-looking ring of skin.

Lip-Licking Rash A broad irritated band extends beyond the lip borders.

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.
Closed lips with dry, patchy irritation extending across the lip border onto nearby skin.
Closed lips with dry, patchy irritation extending across the lip border onto nearby skin.
Closed lips with dry, patchy irritation extending across the lip border onto nearby skin.
Closed lips with dry, patchy irritation extending across the lip border onto nearby 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.
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.

Repeated exposure to saliva followed by drying damages the skin barrier around the lips. This wet-dry cycle sustains irritation and inflammation.

When it usually starts

010203040506070+

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

Lip-Licking Rash. Can start at any age after relevant exposures or barrier damage.

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.

Repeated wetting and drying by saliva damages the skin barrier.

Risk factors
Women aged 20 to 45, Children, Using steroid creams on the face
Lip-licking habit, Dry lips
Trigger
● Perioral Dermatitis
● Lip-Licking Rash
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
Lip licking
Not listed
Can contribute
Cold dry weather
Not listed
Can contribute

Daily Care

Perioral Dermatitis
Lip-Licking Rash
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

  • Apply plain petrolatum or a bland fragrance-free lip balm
    Reapply when dry and before bed; stop any balm that burns or makes the rash worse.
  • Keep saliva off the lips and surrounding skin
    Try a gentle reminder or replacement habit instead of repeatedly licking sore lips.
  • Simplify lip products while the skin heals
    Avoid flavored, fragranced or irritating products and introduce replacements one at a time.
  • Protect lips from wind and sun
    A tolerated SPF lip balm and physical protection help outdoors.
  • Discuss allergen or irritant review
    Persistent lip eczema may need examination and patch testing rather than repeated product changes.

Avoid

  • Avoid: Biting, peeling or scrubbing loose skin
    This reopens cracks and delays healing.
  • Avoid: Repeatedly trying medicated balms without a diagnosis
    Persistent cracking or rash may need assessment for allergy, infection or another cause.

Treatment differences

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

Treatment
● Perioral Dermatitis
● Lip-Licking Rash
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.

Plain petrolatum

Listed

Protects the lip barrier; choose an unflavoured, fragrance-free product.

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.

None listed
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.

None listed

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.

The rash can improve when repeated licking stops and the lips are protected. It may return with the habit or dry weather; persistent symptoms need reassessment for another contributor.

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.

Cracked skin may become infected; repeated exposure can make the rash persistent.

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 care for persistent rash, painful cracks or possible infection.

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.

Lip-Licking Rash:What is Lip-Licking Rash?

An irritant rash caused by repeated saliva contact from licking the lips.

Lip-Licking Rash:What can I do day to day?

Apply plain petrolatum and work on reducing the licking habit; avoid flavoured balms.

Lip-Licking Rash:When should I get medical advice?

Seek care for persistent rash, painful cracks or possible infection.

Sources

Sources and further reading

  1. DermNet
  2. Lip licker’s dermatitis
Dermapedia on YouTube