What causes tear stains in dogs? How to get rid of

Diet is one of the most common reasons for the formation of tear marks in dogs, dogs are prone to tear marks when they eat salty, you should stop feeding salt-heavy dog food or food, give your dog more water and try to eat lighter food. Dogs with eye disease will produce tear marks, such as lacrimal gland infection, tear secretion lacrimal gland suffered, resulting in abnormal secretion of tears, the nasolacrimal duct and too late to unblock so many tears, thus leading to the outflow of tears, over time will also form unsightly tear marks. These should be treated in time to go to the hospital, you can relieve to remove the tear marks.