Eye Care for Dogs: Tear Stains, Gunk, and the One Symptom You Should Never Ignore

If you have a white-faced dog, you know about tear stains. If you have a dog with big buggy eyes, you know about eye gunk. If you have a brachycephalic dog (Pug, French Bulldog, Shih Tzu), you know about eyes that always look a little wet.

Most eye goop in dogs is normal. Some of it is not. Knowing the difference matters because eyes do not give you a lot of warning before something serious happens.

Here is what I have learned from working around dog eyes in the mobile van, and what every dog owner in Northwest Ohio should know before reaching for the wipes.

🐾 A Quick Anatomy Lesson

The dog’s eye works a lot like yours, with a few important differences.

  • The eyeball sits in the bony socket. Dogs do not have a boney shelf below the eye the way humans do, which is why their eyes look set further back.
  • The third eyelid, also called the nictitating membrane, sits in the inner corner of the eye. You have probably seen it. It is a thin pink or gray flap that slides across the eye to protect it. In some dogs, it pops up more visibly. That can be normal. It can also be a sign of pain.
  • The tear ducts drain tears from the eye down into the nose. When the ducts are working properly, tears do not overflow onto the face. When the ducts are blocked, partially formed, or too small, tears spill over and stain the fur below the eye.
  • The cornea is the clear dome over the front of the eye. It is the part that gets scratched, ulcerated, and damaged. It is also extremely painful when injured.

Brachycephalic (flat-faced) dogs have shallow eye sockets. Their eyes bulge out more than a longer-nosed breed’s. That makes the eye more exposed to trauma, more prone to dryness, and harder for the dog to close fully when they sleep. Big-eyed breeds like Pugs, French Bulldogs, Shih Tzus, Boston Terriers, and Cavaliers have more eye issues than almost any other group.

🐾 What Is Normal

A healthy dog eye has a small amount of discharge, especially after sleep. It is usually:

  • Color: Clear, slightly white, or pale gray.
  • Consistency: A little crusty when dry. Slightly wet when fresh.
  • Amount: A small amount in the inner corner of the eye. Not running down the face. Not matting the fur closed.
  • Smell: None.

If your dog’s eyes look like that, you are doing fine. A quick daily wipe of the inner corner with a soft, damp cloth or a fragrance-free dog eye wipe is plenty.

🚨 What Is Not Normal

Here is the list of symptoms that mean a vet visit, not a home cleaning.

  • Yellow, green, or pus-like discharge. This is a sign of infection. Could be conjunctivitis, could be a corneal ulcer, could be something worse.
  • Constant watery eyes. Some breeds always have slightly watery eyes, but a sudden change means something. Blocked tear duct, foreign body, allergies, ulcer.
  • Red or bloodshot eyes. The whites of the eyes should be white. Red, pink, or bloodshot is inflammation.
  • Squinting or holding the eye closed. A dog who is keeping one eye shut is in pain. They are also at risk of the eye getting worse fast.
  • Pawing at the eye. Any dog pawing at their eye needs a vet. The paw can scratch the cornea and turn a small problem into a big one.
  • Cloudiness or a blue tint to the cornea. A blue or cloudy cornea can mean cataracts, glaucoma, or corneal edema. All vet-now.
  • A visible third eyelid that stays up. A third eyelid that pops up and does not retract is called “cherry eye” and needs surgical correction. The longer you wait, the more complicated the surgery gets.
  • The eye itself looks larger, smaller, or differently shaped than the other eye. Anything asymmetric is a vet-now situation.
  • A sudden change in vision. Bumping into things. Hesitating on stairs. Not making eye contact.

If you see any of those, do not wait. Call the vet. Eyes go downhill fast.

💧 Tear Stains: The Long Story

Tear stains are the reddish-brown streaks that show up under the eyes of white-faced dogs. They are caused by a pigment in the tears called porphyrin. The pigment stains the fur when tears spill over from the eye onto the face.

The two main reasons a dog has tear stains:

  1. Tear drainage is not keeping up. The tear ducts are too small, partially blocked, or the eyes are producing more tears than they can drain. This is common in small breeds (Maltese, Bichon, Poodle, Shih Tzu) and brachycephalic breeds.
  2. There is an underlying issue producing extra tears. Allergies, infection, ingrown eyelashes (distichiasis), entropion (eyelid rolling inward), and dental problems can all cause excessive tearing. These need to be diagnosed and treated by a vet.

Home remedies for tear stain removal are mostly cosmetic. They do not fix the cause. If your dog has heavy tear staining, the first conversation should be with your vet. There might be a fixable reason.

For the cosmetic side:

  • Wipe daily. A soft cloth or dog eye wipe. Wipe from the inner corner outward. Do not use the same wipe on both eyes.
  • Keep the hair out of the eyes. Long facial hair brushes against the eyeball and irritates it. The dog produces more tears, the staining gets worse, the cycle continues. Trim around the eyes carefully or have your groomer do it.
  • Filtered water. Some owners see improvement switching from tap to filtered water. The science on this is mixed, but it does not hurt to try.
  • Stainless steel or ceramic bowls. Plastic bowls can harbor bacteria that contribute to tear staining. Stainless steel and ceramic are easier to keep clean.
  • Skip the “tear stain remover” products. Most of them are either ineffective or contain ingredients that can irritate the eye. If you are going to use one, run it past your vet first.

😮‍💨 Brachycephalic Eyes Need Extra Attention

If you have a Pug, French Bulldog, Shih Tzu, Boston Terrier, Cavalier, or any other flat-faced breed, you need to do eye care more often and more carefully. These breeds have:

  • Shallow eye sockets. The eyes bulge. More exposure to trauma and dust.
  • Incomplete blink. Some brachycephalic dogs do not fully close their eyes when they sleep. The result is a dry, irritated eye and a gooey discharge in the morning.
  • Nose rope irritation. The facial fold above the nose can roll inward and rub on the eye. The chronic irritation produces more tears and more staining.
  • Higher risk of corneal ulcers. The shape of the eye and the anatomy around it makes ulcers more common and more serious.

For these dogs, a daily eye check and wipe is not optional. Use a soft, damp cloth or a dog eye wipe. Wipe from the inner corner outward. Do not push on the eye. If the dog paws at the eye or holds it shut, vet now.

🚐 What I Do in the Van

In a Full Groom, eye care is part of the standard process.

  1. Visual check. Both eyes, before anything else. I am looking for symmetry, discharge, redness, cloudiness, and any change from the last visit.
  2. Wipe the inner corner. A soft, damp cloth or eye wipe. Both eyes. Different cloth for each side.
  3. Trim around the eyes. Carefully, with rounded-tip safety scissors. I am not trying to give the dog a haircut. I am removing hair that is touching the eye or about to. Long facial hair brushing against the eyeball is one of the most common causes of chronic tearing in long-haired breeds.
  4. Skip if suspicious. If an eye looks red, cloudy, swollen, or the dog pulls away when I touch near it, I stop. I tell you what I saw and recommend the vet.

I never use shampoo, conditioner, or any product near a dog’s eyes. Anything that gets in the eye is a problem. If a dog gets something in their eye during the bath, I flush it immediately with saline and let you know.

📌 The Wrap

A small amount of eye discharge is normal. Daily wiping, keeping facial hair out of the eyes, and a quick visual check once a day is enough for most dogs. Brachycephalic dogs need more. Anything sudden, painful, or unusual is a vet-now situation, not a home fix.

In the van, eye checks are built into every Full Groom. I see the eyes on every dog I work on. If your dog has a history of eye issues, tell me at booking so I can plan for it.

Want to see what an eye check looks like in real time? Head over to vroomgrooms.com and click the Live button. We stream real appointments every week on Twitch at DogGroomerNicole. You will see the wipe, the trim around the eyes, the whole thing. Real dogs, real eyes, real talk.

Ready to book? The next step is the new client form on vroomgrooms.com. New clients are booking out a few weeks right now, and once you are on the schedule, you stay on it. Routine is built in. No chasing reminder texts. No last-minute cancellations from me.

Send the form, and let’s get your dog on the calendar.

Stay fresh and furry,
Nicole / Vroom Grooms LLC


Service area: Bowling Green, Haskins, Tontogany, Grand Rapids, Waterville, Monclova, Whitehouse, Maumee, Swanton, Holland, Perrysburg, Rossford. Limited availability for Toledo and Oregon. Proof of current vaccinations required at the time of service; clients are responsible for uploading and maintaining their own records. Mobile Dog Grooming. We come to you. No hook ups needed!