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Eye Discharge in Dogs & Cats

Abnormal fluid from one or both eyes. Can range from clear tearing to thick green/yellow discharge indicating infection.

Common Causes

  • Conjunctivitis
  • Corneal ulcer
  • Allergies
  • Blocked tear duct
  • Foreign body
  • Upper respiratory infection (cats)

Red Flags

  • Squinting or holding eye closed
  • Cloudy cornea
  • Green/yellow thick discharge
  • Swollen eye
  • Known trauma to eye

When to See a Vet

If discharge is green/yellow, the eye is swollen or painful, or vision appears affected.

🐕 Eye Discharge by Dog Breed

🐈 Eye Discharge by Cat Breed

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