SymptomEyes & vision
Eyelid Crusting: Why Your Eyelids Are Crusty
Eyelid crusting is a build-up of dried mucus, oil or skin flakes along the eyelid margins and lashes, often worst on waking. A small amount of "sleep" in the corners is normal. Heavier crusting is most often caused by blepharitis (long-term inflammation of the lid edges) or conjunctivitis (pink eye). Warm compresses and daily lid cleaning control most cases. Crusting with eye pain, blurred vision, light sensitivity or a swollen, red eyelid needs prompt medical care.
Also called: Crusty eyelids, eyelid crust, crusting of the eyelids, lash crusting, matted eyelashes
At a glance
- What it is
- Dried discharge, oil or flakes on the lid edges and lashes.
- Most common causes
- Blepharitis, conjunctivitis, dry eye, and styes or chalazia.
- Normal vs not
- A little crust in the inner corners is normal. Lashes glued together or crusts all along the lids are not.
- Diagnosis
- Examination of the lids and eye, usually with a slit lamp.
- Treatment
- Warm compresses and lid hygiene; antibiotic drops only for bacterial infection.
When to get help
Call 911 or go to the ER
- Crusting or discharge with severe eye pain, sudden vision loss, or after a chemical splash
- A newborn under 4 weeks with crusting, swollen lids or pus from the eyes
See a doctor within a day or two
- Crusting with eye pain, light sensitivity or blurred vision that does not clear with blinking
- A red, swollen, tender eyelid with fever (possible cellulitis)
- Thick yellow or green pus that keeps returning within minutes of wiping
- Crusting in a contact lens wearer with a red, painful eye
- Blisters or a rash on the eyelid or forehead
Book a routine appointment
- Crusty, itchy, red lid margins that keep coming back
- Crusting with lashes falling out or growing in the wrong direction
- Crusting with a lid lump that has lasted more than a month
Usually safe to manage at home
- Small amounts of dried mucus in the inner corners on waking
- Mild crusting with a cold or allergies, with no pain and normal vision
Why eyelids get crusty
Your eyes constantly make tears, mucus and oil. During sleep you do not blink, so these collect at the lid margins and dry overnight. A small amount is normal. Crusting becomes heavier when:
- the lid edges are inflamed and shed skin flakes and oil (blepharitis)
- the surface of the eye is infected or inflamed and makes more discharge (conjunctivitis)
- the oil glands in the lids are blocked
- the eye is dry and makes stringy mucus to compensate
Common causes of eyelid crusting
Blepharitis
Blepharitis is the most common cause of crusty eyelids in adults. It is a chronic inflammation of the eyelid margins. Signs include:
- crusts or dandruff-like flakes at the base of the lashes ("collarettes" around lashes suggest Demodex mites)
- red, swollen, greasy-looking lid edges
- itching, burning and a gritty feeling, worse in the morning
- lashes stuck together on waking
It is linked to seborrheic dermatitis (dandruff), rosacea, blocked oil glands (meibomian gland dysfunction), staphylococcal bacteria and tiny Demodex mites. It tends to flare and settle for years, but daily lid care controls it.
Conjunctivitis
Conjunctivitis (pink eye) causes a red eye with discharge that dries into crusts.
| Type | Discharge | Other clues |
|---|---|---|
| Bacterial | Thick yellow or green; lids stuck shut in the morning | Often one eye first, then both |
| Viral | Watery, some mucus; mild crusting | Follows a cold, gritty feeling, swollen lymph node in front of the ear |
| Allergic | Stringy, white mucus | Intense itching, both eyes, hay fever |
Dry eye
Dry eye causes a gritty, burning feeling and paradoxically watery eyes. Stringy mucus can crust in the corners.
Styes and chalazia
A stye is a painful, red, infected lump on the lid edge that may discharge and crust. A chalazion is a firmer, painless lump from a blocked oil gland, often after blepharitis.
Less common causes
- Eyelid cellulitis: a red, swollen, tender lid. See periorbital cellulitis.
- Blocked tear duct: in babies, sticky crusty eyes with watering but a white eye.
- Contact dermatitis: reactions to eye makeup, eye drops or skin products cause dry, flaky, itchy lid skin.
- Herpes infections: blisters on the lid with crusting.
- Lice on the lashes: rare; tiny nits on the lashes.
- Skin cancer: a crusting, bleeding lid lump that does not heal, often with lash loss.
How doctors find the cause
An eye doctor or primary care doctor will ask how long the crusting has been present, whether it affects one or both eyes, whether you wear contact lenses, about skin conditions such as rosacea and dandruff, and about itch, pain and vision. They will check your vision and examine the lids and eye surface with a light and magnifier or slit lamp. A swab may be taken for severe, persistent or newborn infections.
How to treat crusty eyelids
Lid hygiene (the mainstay)
Do this once or twice a day for blepharitis:
- Warm compress: hold a clean cloth soaked in warm (not hot) water, or a heated eye mask, on closed lids for 5 to 10 minutes. This softens crusts and melts thickened oil.
- Lid massage: gently roll a fingertip along the lids toward the lashes to express the oil glands.
- Clean the lid margins: use a cotton pad or swab with diluted baby shampoo (a few drops in a cup of warm water) or a commercial lid cleanser or wipe. Wipe along the lash line.
- Rinse with clean water.
Blepharitis usually comes back if lid care stops, so keep a simple routine going even when your eyes feel better.
Other treatments
- Artificial tears for dryness and grittiness.
- Tea tree oil lid products for Demodex, used as directed by an eye professional.
- Antibiotic drops or ointment for bacterial conjunctivitis or persistent blepharitis, prescribed by a doctor.
- Oral antibiotics at low dose for rosacea-related blepharitis.
- Allergy eye drops for allergic conjunctivitis.
- Treat dandruff with an anti-dandruff shampoo on the scalp and eyebrows.
Things to avoid
- Wearing contact lenses until the eye is clear.
- Eye makeup during flares; replace old mascara and eyeliner.
- Rubbing your eyes.
- Sharing towels or pillowcases during an infection.
Frequently asked questions
Why are my eyelids crusty in the morning?
Tears, mucus and oil collect along your lids while you sleep and dry into crusts. A little in the corners is normal. Heavier crusting, especially with red, itchy lid edges, is usually blepharitis. Lids glued shut with yellow pus suggests bacterial conjunctivitis.
How do I get rid of crusty eyelids?
Use a warm compress for 5 to 10 minutes, then gently clean along the lash line with a diluted baby shampoo solution or a lid wipe, once or twice a day. Continue daily even when better. See a doctor if crusting persists or comes with pain or vision changes.
Is eyelid crusting contagious?
Crusting from bacterial or viral conjunctivitis is contagious. Wash your hands often and do not share towels. Crusting from blepharitis, dry eye or allergies is not contagious.
Can blepharitis be cured?
Blepharitis is usually a long-term condition that cannot be cured permanently, but it can be controlled well with daily warm compresses and lid cleaning. Treating related conditions such as rosacea or dandruff also helps prevent flare-ups.
When should I see a doctor about crusty eyes?
See a doctor if crusting comes with eye pain, blurred vision, light sensitivity, a swollen red eyelid or fever, or if it does not improve after a week of lid hygiene. Newborns with crusty, swollen eyes and contact lens wearers with red eyes should be seen promptly.
Sources
This guide was written from current patient and clinical guidance, including:
- American Academy of Ophthalmology: Blepharitis; Conjunctivitis (pink eye)
- American Academy of Ophthalmology Preferred Practice Pattern: Blepharitis
- NHS: Blepharitis
- CDC: Conjunctivitis (pink eye)
- MedlinePlus: Eyelid inflammation