It is not normal for dogs to have tear marks, tear marks are traces left by tears, and there are many reasons for dogs to cry, which can cause serious problems in the dog's vision. Therefore, the owner should pay attention to this situation, find the cause in time, and then take targeted measures to deal with it. Here are a few causes of tear marks in dogs, and owners who don't know can learn about it together.

1. Improper diet
Improper diet refers to the fact that the food is fed a higher salt content or more seasonings, causing the dog to burn and tear marks. Therefore, it is necessary to adjust the daily diet structure of the dog first, leftover meals or dog food with high oil and salt content, dried meat and other foods should not be fed, you can prepare some low-salt ecological grains, with fresh vegetables and fruits to feed, to help supplement nutrition. Also guide the dog to drink more water, to ensure that there is enough water intake, to help speed up the metabolism, drinking water can add some pet scar net, help supplement nutrition to better clean tear marks.
2. The eyes are not cleaned
Dogs' eyes will produce some secretions every day, if not cleaned up for a long time, it will breed bacteria, stimulate tear secretion, make dogs appear eye redness, tears and cause tear marks. In this regard, it is necessary to check the eye condition regularly, and wipe the eye area clean with a wet wipe, and then drop some Wang Xiang eye drops to help clean the eyes. Daily attention should also be paid not to let the dog play in a dirty and dusty place, so as not to irritate the dog's eyes.
3. Eyelid varus or hair irritation
Dogs' eyes are more sensitive, if the eye circle is turned inwards, eyelashes grow inward, irritating the conjunctiva of the eyes, tearing will occur. Excessive hair around the eyes can also irritate the eyes. In this regard, you can first use forceps to remove the unnatural growth of eyelashes, and then use scissors to trim the eye area.
4. Nasolacrimal duct blockage
If dogs are affected by breed genes, they are naturally short of nasolacrimal ducts and are more prone to blockages. In this way, the secreted tears will accumulate in the orbit all the time, causing the eyes to be wet and tear marks to appear at the corners of the eyes. In this regard, it is necessary to send it to the pet hospital for treatment in time, and also to properly massage the eyes of the dog to help dredge the tear pipe to a certain extent.