How do dogs produce tear stains?

The lacrimal gland is an accessory organ of the eye. Its main function is to secrete tears to moisten the eyeball. Under normal circumstances, the lacrimal gland secretes tears to moisten the eyeball and then enters the nasal cavity through the tear duct and will not flow out from the corner of the eye. If due to other reasons the lacrimal gland secretes too much tear fluid and cannot be discharged from the tear duct, tears will flow out from the corner of the eye, which will form over time. Tears stained.

Factors for the formation of dog tear stains

Greasy diet and excessive salt

A large part of the reason why dogs have heavy tear stains is due to dietary problems, especially if the dog is a dog owner If your dog is fed human food frequently, the dog will easily develop tear stains and hair loss.
Dogs cannot eat food that is too salty or greasy, so the dog food that the poop scraper usually feeds to the dog should also try to choose low-salt food. If the dog has developed tear stains, it must be changed to lighter food as soon as possible. Order, salt-free dog food.

Tear duct obstruction

If some dogs are congenitally blocked in their tear ducts, they will shed a lot of tears. The excess tears cannot be drained into the nose and can only overflow outwards, which will form tear stains over time.
For this congenital factor, the dog owner can take the dog to undergo some related surgeries to change the congenital defect to ensure normal secretion of tears and reduce tear stains.

Ear Canal Infection

If a dog’s ear canal is infected, itching symptoms will occur. While the dog keeps scratching its ears, it will also stimulate the lacrimal glands to secrete tears. When there is too much When tears cannot drain out of the nasolacrimal duct, they overflow from the corners of the eyes, forming tear stains.
If this is the case, the dog owner needs to take the dog to a pet hospital for medical treatment and receive the medication prescribed by the doctor. You should also pay attention to the care and cleaning of your dog’s ears.

Improper care

Some breeds of dogs have longer eyelashes, such as Teddy dogs and Bichon Frize dogs. Their excessively long eyelashes can easily pierce the eyes and cause them to shed tears, so these dogs You need to trim your eyelashes regularly.

How to improve dog tear stains

Dietary adjustment: Choose low-salt food with high-quality ingredients, balanced nutrition, and easy digestion, extend the feeding time, and increase the time for pets to adapt to the formula.
External Cleaning: Trim the miscellaneous hair around the eyes regularly, and wipe the tears and corners of the eyes with a towel dipped in warm water;
If the tear stains are caused by a disease, you need to go to the doctor as soon as possible to prescribe the right medicine.