Pet Tear Stains: Causes and Care

You are snuggling with your favorite companion on the sofa after a long afternoon, but as you look into those soulful eyes, you notice dark, rusty streaks trailing down their face. We often gaze into our pets’ eyes to communicate love and trust, so noticing this sudden discoloration can feel a bit worrying for a devoted owner.

While tear stains are incredibly common—especially in certain breeds—understanding why they happen and how to manage them gently can keep your pet comfortable and their coat looking bright. At Heron’s Crossing, we want to help you feel confident in caring for these small but important details of your pet’s daily life.

Understanding the “Why” Behind the Stains

That reddish-brown tint isn’t actually dirt; it is usually caused by porphyrins. According to the Cornell Feline Health Center, porphyrins are iron-containing molecules produced when the body breaks down red blood cells. These are excreted through tears and saliva, and when they are exposed to light and air for long periods, they darken.

Sometimes, staining is caused by “epiphora,” which is simply the medical term for excessive tearing. The American Veterinary Medical Association (AVMA) notes that this can be caused by structural issues like shallow eye sockets or irritants like eyelashes rubbing against the eye. If you ever notice your pet squinting, or if the area has a foul odor or looks red and inflamed, it is important to check in with your primary care veterinarian to rule out a localized infection.

Gentle Tips for a Brighter Face

Managing tear stains is most successful when it becomes a regular, stress-free part of your routine. Here are a few ways to help your pet feel their best:

  • Keep the Surface Dry: Gently pat the area under the eyes with a soft, clean cloth twice a day. This prevents porphyrins from sitting on the fur and prevents the area from staying damp. If your pet has long hair, keeping the fur around the eyes trimmed short can reduce irritation.
  • Use Fear Free™ Cleaning Techniques: Fear Free Happy Homes emphasizes making every grooming task a positive experience. Use a soft cotton ball dampened with filtered water or a vet-approved, sting-free eye wash. Always go slowly and watch your pet’s body language.
  • Positive Reinforcement: To make this a happy experience, the experts at Victoria Stilwell’s Positively recommend pairing the cleaning with high-value treats. If your pet pulls away, take a break and try again later so they associate eye care with rewards rather than stress.
  • Review Their Bowls: Some pet owners find that switching from plastic to stainless steel or ceramic bowls helps. This is because plastic can develop tiny scratches that harbor bacteria, which may contribute to facial staining.

Pollen and Humidity

Living in Georgia brings some unique challenges for our pet’s eyes. Atlanta is famous for its heavy “yellow” pollen seasons, and those high counts can lead to allergic conjunctivitis. This makes your pet’s eyes water significantly more than usual, leading to a sudden increase in staining.

Additionally, our famous Georgia humidity can keep your pet’s face damp for much longer after a walk. This moisture can create a breeding ground for yeast in the folds of the skin. A great local tip is to check the daily pollen forecast and give your pet a quick face-wipe as soon as you get home from a stroll through Chastain Park or a walk along the BeltLine.

A Gentle Note of Encouragement

Caring for your pet’s appearance is just one of the many ways you show your deep devotion to their comfort. Whether your pet has a few “beauty marks” or a perfectly pristine face, the most important thing is that they are happy and loved. You are doing a wonderful job looking after the small details of their well-being, and your pet feels that care every single day.


Heron’s Crossing provides end-of-life care for pets in the Metro Atlanta area. In-home appointments with compassionate vets are available. If you’d prefer a home-like setting away from your home, our Decatur office is also available by appointment.