Causes of tear stains in dogs: Food

Food is one of the important causes of tear stains in dogs. If the dog eats low-quality, grain-based feed for a long time, or feeds salty meals directly to the dog, the dog's tear stains will be obvious. The dog's diet should be light. It is best to feed the dog high-quality natural food that is light and low in salt.

Causes of dog tear stains: blocked nasolacrimal ducts

Dogs' tear ducts are blocked, such as excessive eye feces, unclean face, messy facial hair growth, etc. Your dog's tear ducts are blocked. The consequence of this is that the dog's tears cannot be drained out, and severe tear stains will naturally appear. This problem is particularly pronounced in small dogs.

Cause of dog tear stains: inverted eyelashes

Dog eyelashes are inverted and grow out of the glands of the eyelids, causing friction and irritation to the cornea. This condition is commonly known as double eyelashes, and some dogs’ double eyelashes are caused by genetics. The owner can carefully observe the dog's eyes to see the growth of eyelashes and initially identify whether there are double eyelashes. If your dog has trichiasis, he or she will need to go to the hospital for surgical treatment.

Causes of tear stains in dogs: ear or tooth infection

Double rows of teeth and inflammation of the ear canal can also cause tear stains. Because dogs’ facial nerves are developed, an inflamed deciduous tooth that has not yet fallen out can also induce inflammation of the nasolacrimal duct, etc., eventually causing tear stains.

Causes of dog tear stains: eye diseases

Dogs suffering from eye diseases such as glaucoma and cataracts can also cause tear stains. The owner can observe the dog's eyes. If the eye sockets often contain a lot of water, like tears, and the dog will try to scratch the face with its paws, this requires taking the dog to a doctor for diagnosis. In serious cases, the dog will go blind. .

Causes of dog tear stains: drug stimulation

If the dog is suffering from a disease and is taking some anti-inflammatory drugs, it may also aggravate the dog's tear stain problem. In this case, you can consult a doctor. Generally, it won't have much impact.

Cause of tear stains in dogs: Short nose syndrome

Some dog breeds have shorter muzzles, such as pugs, French bulldogs, etc. Their eye sockets are very shallow and their eyelids cannot close well. , so it can easily lead to corneal attack and damage. There is not much that can be done about this kind of dog other than taking more care of it.

Causes of tear stains in dogs: environmental stimulation

Environmental stimulation can also cause tear stains in dogs. For example, being exposed to smoke and strong wind for a long time will stimulate the dog’s eyeballs to secrete tears. , for self-protection.