Why are my dog’s eyes crusty in the morning? | arlo.® Atlas
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Overview
Crusty eyes in the morning are fairly common in dogs and are often just dried tear film or a small amount of normal eye discharge. Sometimes it can also happen because of irritation, allergies, a blocked tear duct, a bit of dust, or an eye problem that needs a vet to check.
If it clears easily and your dog seems comfortable, it may be a mild issue. If the discharge is frequent, coloured, sticky, or linked with redness or squinting, it’s worth paying closer attention.
Things To Check
1. See whether both eyes are affected or just one, as one-sided discharge can be more suggestive of irritation or something caught in the eye.
2. Look at the colour and texture. Clear or pale discharge is often less concerning than yellow, green, thick or sticky discharge.
3. Check for redness, swelling, squinting, blinking more than usual, or pawing at the face.
4. Notice if it’s happening only first thing in the morning or throughout the day as well.
5. Think about recent exposure to wind, dust, pollen, grooming products or shampoo getting near the eyes.
6. Gently check whether the fur around the eyes is wet, matted or rubbing against the eye.
7. Watch for any change in behaviour, such as rubbing the face on furniture, avoiding bright light, or seeming unsettled.
Common Causes
The most common reason is a small amount of normal tear and debris build-up overnight, especially if your dog has a little more tear production than usual.
Minor irritation from dust, pollen, grooming products, or hair touching the eye can also lead to crusting by morning.
Some dogs get eye discharge because of mild allergies or a blocked or poorly draining tear duct, which can make the eyes look wet or gunky more often.
Less commonly, an eye infection, a scratch on the eye, or an eyelid or eyelash issue may be behind the discharge, especially if the eye looks sore or the discharge keeps returning.
What To Do
Wipe away crust gently with clean cotton wool or soft gauze dampened with warm water. Use a fresh piece for each eye so you’re not moving debris across the face.
Keep an eye on whether it settles after cleaning or comes back quickly. A short pattern of notes can help you spot triggers such as walks in windy weather, pollen, or grooming.
Try to reduce obvious irritants where you can. That might mean keeping hair from falling into the eyes, avoiding shampoos near the face, and wiping away dust or dried discharge as part of your normal routine.
Don’t try human eye drops or home remedies unless your vet has told you to. If the discharge is persistent, coloured, or linked with any soreness, it’s sensible to have it checked.
If this is a recurring grooming issue, a gentle pet care routine can make regular cleaning easier and help you stay on top of hygiene around the face.
When To Contact A Vet
Contact your vet if the discharge is yellow or green, the eye looks red or swollen, your dog is squinting, rubbing at the eye, seems painful, or the problem keeps coming back. Get prompt advice if you notice cloudiness, a sudden change in vision, or if only one eye is affected and it doesn’t improve quickly.
Products That May Help
If your dog is prone to a bit of morning gunk around the eyes, gentle grooming and cleaning support can make routine care easier at home.
Related Questions
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Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.