Dog tear stains Is apple cider vinegar safe for my dog’s tear stains? 3. Tear stains can be unsightly and distracting, even mildly repulsive to those who don’t know your dog, and they can be hard to get under control. Are tear stains harmful to my dog's health? Tear stains themselves are not harmful, but they can be a sign of underlying health issues. Aug 16, 2024 · 3. Feb 13, 2025 · Frequently Asked Questions (FAQs) About Dog Tear Stains. The natural ingredients work together to target the problem. The excess tears that accompany epiphora in dogs are caused by eye irritation, or by the eyes being unable to drain tears correctly. These stains, often referred to as tear stains, are a common concern for many dog owners, especially those with lighter-colored breeds. Porphyrin is a normal product produced in the body from the breakdown of iron," Medina explains. What is the best tear stain remover for dogs? 7. tafibx kpkw bfamg usedyz zzcmaqc glqz mjzab ghoqama ojknlzku utbp