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My Corgi has tear stains and a blocked nasolacrimal duct; it was flushed once two days ago but still has stains. Not sure if there’s an ingrown eyelash at the corner. Please help check.
Tear stains are normal with a blocked nasolacrimal duct, which prevents drainage and causes overflow. A vet must flush the duct, or consider a tear-duct tube if ineffective. No clear ingrown lash was seen, but trim and observe two days if suspected.
How can I check if my dog’s nasolacrimal duct is blocked?
A blocked tear duct causes frequent tearing and thick eye discharge, which can lead to conjunctivitis and irritation. A vet can confirm the blockage with a tear-production test and a fluorescein dye test.
What food should I feed a cat with blocked nasolacrimal ducts?
Keep a normal diet and add vitamin-rich foods, but avoid salty or irritating food that increases eye discharge and worsens blockage. For the blockage itself, take the cat to a vet for duct flushing; give anti-inflammatories as directed.

Canine and Feline Nasolacrimal Duct Obstruction (Epiphora)
Nasolacrimal duct obstruction blocks normal tear drainage in dogs and cats, causing chronic epiphora (tear overflow) and facial staining. Congenital duct atresia usually needs surgical correction, while acquired obstruction from conjunctivitis or injury is managed by treating the underlying cause.

Symptoms of a Blocked Tear Duct in Dogs
A blocked nasolacrimal (tear) duct shows as constant tearing and a sticky, pus-like discharge at the inner corner of the eye, with the fur below stained red-brown and a little hair loss β but no pain, no vision loss, and no light sensitivity. Many eye problems can cause it (conjunctivitis, keratitis, trauma), and flushing the duct under anesthesia after clearing the infection shortens recovery.
What should I do about my dog’s blocked tear duct?
Blocked nasolacrimal ducts are usually treated by flushing to remove the obstruction plus antibiotics, with good prognosis. If flushing fails, surgery may be needed. Prevent by cleaning the eyes regularly.
How Do You Clear a Dog’s Blocked Tear Duct?
Mild blockages can be flushed at a clinic with antibiotics to reduce recurrence. Severe cases may need a tear-duct stent. Clean eye discharge daily with eye drops.

How to Prevent and Clean Dog Tear Stains
Tear stains form when excess tears overflow the nasolacrimal duct, and the iron in porphyrin turns them rusty red. Short-faced and light-coated breeds are most prone; manage them through grooming, diet, and treating the root cause like infection or allergy.

Which Diseases Can Cause a Dry Dog Nose?
A dry nose paired with coughing, vomiting, or diarrhea may signal illness. Possible disease causes include sunburn, skin disease, severe dehydration, and allergies that block the nasolacrimal duct. Most dryness, though, simply comes from a lack of waterβso keep your dog hydrated.

Why Is My Cat Crying Reddish-Brown Tears?
Reddish-brown tear discharge in cats can be caused by overly salty food, a blocked nasolacrimal duct, or eye inflammation. Determine the specific cause from the actual situation and treat accordingly. If the cat recently ate salty food, it may be 'internal heat' causing more discharge that oxidizes to reddish-brownβadjust to a bland diet and offer more water. If the eyes are also red and swollen, inflammation is likely; see a vet.