Causes of tear stains in dogs 1. Nasolacrimal duct obstruction

This is caused by the innate genes of these dog breeds. Like humans, the tears secreted by dogs also flow along the nasolacrimal duct to the pharynx. The nasolacrimal ducts of these breeds of dogs are congenitally narrow and prone to obstruction, and the secretion of tears itself is relatively strong. Tears cannot be discharged through the nasolacrimal ducts, and tear stains will appear over time. In addition, small particles such as dust or grass seeds may enter the nasolacrimal ducts of dogs during outdoor activities, causing obstruction or even inflammation.

Causes of tear stains in dogs 2. Entropion of the eyelids

Some dogs are born with entropion of the eyelids or eyelids that are too tight. Entropion of the eyelids can lead to contact between the eyelashes and the cornea, irritating the dog. shed tears. Tight eyelids can cause the entrance of the nasolacrimal duct to be covered, which also affects the drainage of tears.

The third reason why dogs have tear stains is inflammation of the tear ducts

When a dog takes a bath or plays outside, dirty water or dust accidentally enters the eyes, causing inflammation of the tear ducts. Inflammation of the tear ducts will lead to abnormal tears. Increases, causing some tears to flow out.

Reasons why dogs have tear stains 4. Ear canal infection

Ear canal infection will increase the secretion of tears. This may not sound easy to understand, but in fact it is also one of the causes of tearing! When there are ear mites, bacterial infections, and fungal infections in the dog's ear canal, it will cause itching and pain inside the ear canal. The nerves of the head and face are intricate, and they can also irritate the nerves of the eyes and cause excessive tearing.

Reasons why dogs have tear stains 5. Dietary factors

There is a rumor on the Internet that dogs eat too much salt and cause tears. There is no definite experimental data showing that a high-salt diet will stimulate tears. However, according to the experience of many parents, dogs who eat human meals or too much meat for a long time are more likely to develop tear stains than dogs who eat a light diet or dog food.

Treatment methods for dog tear stains

1. For nasolacrimal duct obstruction, you can go to a professional pet hospital for nasolacrimal duct flushing. The process is not complicated. Generally, a hose is used to enter the nose. The tear ducts are flushed. After the nasolacrimal duct is cleared, be sure to use health-care eyewash to keep your eyes clean to prevent re-blocking.
2. Dogs with dacryoadenitis need to use anti-inflammatory eye ointment or eye drops.
3. Dogs with ear canal infections need to promptly check the cause of the ear canal infection and receive timely treatment. They also need to pay attention to the cleaning of the ear canal. It should be noted that do not use cotton swabs, but use ear drops and cotton or gauze to clean.
4. In terms of diet, be sure to pay attention to a scientific diet. The best way is to let your dog eat professionally formulated dog food, which can be combined with some special pet snacks as a reward. Doting on dogs and giving them high-protein, high-fat meat as their staple food will not only cause tears, but also cause picky eaters, unbalanced nutrition, obesity, skin problems, etc.