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Corneal ulcer

Trauma or herpes virus; feline ulcers can deepen within days (melting ulcers).

🔍 Related symptoms

Typical symptoms ranked by diagnostic value — tap for the full symptom page

Squinting / tearing, won't open the eyeEye discharge / heavy tear stainingRed eyeThird eyelid showing

✅ Home-care checklist

  • ✓Use an e-collar
  • ✓Fluorescein staining within 24 hours
  • ✓Recheck on schedule until healed

🏥 When to see a vet

  • ⚠Purulent discharge + cloudiness
  • ⚠The eye cannot open at all

🐾 Predisposed breeds

Can occur in any breed — no specific predisposition

Not sure how serious it is? Assess it with the symptom checker

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