Causes of tear stains in dogs:

1. Diet: If the food you eat is very strong, tear stains will appear. Change it to something lighter, without salt, so be careful. Dogs sometimes produce too many tears due to food sensitivities.

2. Getting angry: If your dog’s urine is very yellow and he is unwilling to drink water, and his tears are likely to be the reason, you should drink more water at ordinary times. Adding some apple cider vinegar to the water can also help. to a certain effect.

3. Ear canal infection: It is the most common cause of tear stains in dogs. When the ear canal is infected by bacteria, viruses, molds, parasites, or the ears are swollen, painful, or itchy, it will cause the dog to frequently scratch its ears with its hind legs.

4. Nasolacrimal duct obstruction: The nasolacrimal duct becomes inflamed and swollen due to infection, causing the entire duct to be completely blocked or incompletely blocked, so tears cannot be discharged from the nasolacrimal duct normally. , will naturally overflow outwards, thus forming ugly tear marks.

5. Entropion of the eyes and face: Entropion of the eyes and face is the so-called inverted eyelashes, which will cause the eyelashes to constantly irritate the cornea. This situation will make the dog's eyes feel very uncomfortable, leading to frequent use. The forelimbs scratch the eyes, so they often appear tearful, which can also cause very serious tear stains.

How to deal with dog tear stains:

1. Apply Vaseline. Vaseline is mild, non-irritating and insoluble in water. It can nourish the skin and hair and resist oxidation. When the dog's tear stains are severe, the owner can choose to cut off the tear stains to remove the hair and apply Vaseline to protect the skin and prevent the eye hair from contacting the tear stains and causing oxidation. Tear stains.

2. Use boric acid powder. Boric acid powder is a non-irritating skin disinfectant for external use. Mix half and half of starch into a paste and apply it to the affected area of ​​tear stains. It can help dogs dilute tear stains, absorb stains and bleach their hair.

3. Use eye drops. If you want to remove dog tear stains, regular eye drops are also a way to flush the eyes, improve the excessive tears caused by bacterial infection and inflammation in dogs, and reduce the root cause of tear stains.

4. Clean the ears. Clean your dog's ears regularly every month. Use ear cleaning solution or ear bleach to drip into the ears to dissolve the dirt in the dog's ears and let the dog shake them out. Then wipe them dry with paper towels to clean the ears to prevent ear diseases. .

5. Eat a light diet. Dogs whose food is too salty and greasy may get angry and easily develop tear stains. Therefore, it is recommended to choose light and fire-reducing dog food as the dog's staple food to prevent and improve tear stains in the diet.