Causes of Dog's Excessive Tears and Eye Discharge

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Common causes of tearfulness or the presence of eye boogers in dogs include the following:

1. Foreign Body Irritation: External particles, irritative medications, or smoke can stimulate the eye tissues, leading to an increase in tear production.

2. EyeSpecific Irritation: Conditions such as entropion (inward rolling of the eyelids), ectropion (outward rolling of the eyelids), distichiasis (abnormal growth of eyelashes), conjunctivitis, keratitis, and uveitis can all trigger excessive tearing.

3. Obstructed Drainage Between the Conjunctival Sac and Nose: Issues like ectropion, enophthalmos (eye sinking), congenital punctual atresia, and nasolacrimal duct obstruction can impede the normal flow of tears, resulting in the symptoms observed in dogs.

4. Systemic Diseases: Dogs suffering from canine distemper, canine infectious hepatitis, or toxoplasmosis may exhibit eye infections and inflammation, often leading to the accumulation of puslike eye discharge around the eyes.

5. Eye Inflammation: Conditions such as entropion, irregular eyelash growth, conjunctivitis, orbital cellulitis, and neonatal conjunctivitis can cause dogs to exhibit symptoms of excessive tearing and eye boogers.

This version aims to provide a more detailed and readerfriendly explanation of the causes of tearfulness and eye boogers in dogs.