There may be several reasons why you might notice your dog seems to have watery eyes. Dogs have tear ducts just like we do, but normally, the tears are drained through the back of their nose and throat instead of tearing out in front.
Here are some possible reasons why dogs cry tears:
An allergic reaction is one of the main reasons your dog would produce tears in its eyes. Smoke, pollen, dust, strong detergents, or food ingredients could be a source of that allergy.
If you suspect a food allergen, an elimination diet could be suggested by the veterinarian to find out what food is causing the adverse reaction.
Also, if other signs of an allergy are present, like swelling and itching around the eyes and nose, skin rashes or redness, sudden wheezing or shortness of breath, and inflammation, then the teary eyes could be caused by an allergen.
The veterinarian may very well prescribe an antihistamine to correct the problem.
Blockage Of Tear Ducts
Normally, a dog’s eye would produce tears for lubrication and would drain down their throats through the nasolacrimal ducts, which are located underneath their eyes and nose.
When the ducts are blocked, then the tears would drain out front, which is a condition known as epiphora. Common signs of epiphora include a damp face, reddish staining on the fur beneath the eyes, odor, and skin irritation.
Possible causes of epiphora are an anatomical abnormality in their eyelashes and eyelids, corneal ulcers, and glaucoma.
It can be treated through surgery by opening up the ducts if it fails to open during the puppy’s development, or it can be flushed by widening the ducts if it is caused by an allergy or infection.
For a lot of dogs that have this condition, the problem is usually cosmetic and does not pose any significant health problems.
If you notice that the tear discharge is yellowish, mucous, or bloody, then it could be a sign of an eye infection. Other signs to look out for are redness in their eyes, swelling, squinting due to sensitivity to light, and a smelly discharge.
Possible causes of an eye infection include conjunctivitis, which is the inflammation of the mucous membrane inside their eyelids, causing it to turn red.
Another cause could be uveitis or inflammation of the uvea, which includes the iris, ciliary body, and choroid. Common causes of uveitis are diabetes, high blood pressure, the distemper virus, and eye tumors.
A combined treatment of antibiotics, pain relievers, and ophthalmic ointment can be prescribed by the veterinarian to alleviate the swelling or inflammation.
Your dog’s playfulness and inquisitiveness could sometimes be a reason for its cornea getting scratched or poked accidentally. More so if it likes playing around thick undergrowth or chasing around scared cats.
This would surely cause its eyes to tear up excessively. Other signs include constant rubbing and blinking of the eyes, swelling, or holding one eye closed.
A lot of cases are usually minor and can be treated with an eye drop and painkillers. It is always advised to have the veterinarian check the eyes for any possible major damage.
This is an ocular condition when the eyelids roll inward. This would cause the eyelashes to rub against their eye covering, leading to irritation, inflammation, and possible infection.
Signs of entropion include constant rubbing and squinting of the eyes, excessive tearing, discharge, and swelling.
Surgery is the best option, but artificial tears and lubricating ointments can help relieve the condition.
Dirt Or Debris
Most usually, a speck of dirt or dust is the simple explanation for your dog tearing up. A lot of times, the tearing would stop after the irritant had been removed by the tears.
You can also opt to wipe around their eyes with a soft, damp cloth to remove any dirt or flush it with a dog-approved eyewash. Be careful, though, not to wipe the eye itself and allow it to come into contact with the eyewash.
For larger and embedded debris, it is recommended that you take your dog to the veterinarian to prevent any accidental mishandling.