Nonulcerative Keratitis In Dogs: Symptoms, Causes, & Treatments

Veterinarian checking young French Bulldogs eye health.
(Picture Credit: DjelicS/Getty Images)

Nonulcerative keratitis in dogs is a medical condition where the cornea becomes inflamed and does not retain a dye called fluorescein stain that appears under ultraviolet light, which vets use to highlight any ulcers that might be present on a dog’s cornea.

In general, dogs between the ages of four and seven have the highest risk of developing the condition. Additionally, certain breeds and types of dogs including brachycephalic (flat-faced) dogs seem to be more likely to suffer from it than other canines, and dogs who reside in high altitude locations also seem to be particularly at risk.

If you see signs that your canine might be developing eye issues, then you must consult your veterinarian for a proper diagnosis and advice. Here’s what you should know about the symptoms, causes, and treatments of nonulcerative keratitis in dogs.

Symptoms Of Nonulcerative Keratitis In Dogs

Nonulcerative keratitis in dogs can produce a wide range of different symptoms. Some of the most common symptoms include:

  • Inflamed cornea
  • Blindness
  • Dry eye
  • Eye discharge
  • Discolored cornea (black and brown)

Causes Of Nonulcerative Keratitis In Dogs

A veterinary ophthalmologist makes a medical procedure, examines the eyes of a dog with an injured eye and an assisent helps her to hold her head."r"nA veterinarian makes biomicroscopy using a slit lamp.
(Picture Credit: Kateryna Kukota/Getty Images)

There are a number of causes of nonulcerative keratitis in dogs. Some of the most common causes include:

  • Immune-mediated issues
  • Living at high altitude
  • Irritation of the cornea

When it comes to specific breeds of dog, the following seem to be most at risk of developing this condition:

  • Brachycephalic breeds (including Pugs, Shih Tzus, and Pekingese)
  • German Shepherds
  • Cocker Spaniels
  • Shetland Sheepdogs
  • English Bulldogs
  • Cavalier King Charles Spaniels
  • Belgium Tervurens
  • Greyhounds

Veterinary Treatments

If you suspect that your dog is developing nonulcerative keratitis, then your veterinarian will want to ask about your dog’s full medical history and any recent events that might have prompted the condition.

They’ll carry out a full physical examination, paying special attention to the eyes. Additionally, they’ll take fluid from the eye for testing.

When it comes to treatment, most dogs can be treated on an outpatient basis; although, in more severe cases, vets might recommend radiation therapy and even a surgical removal of parts of the cornea.

In some cases, your vet might also prescribe medication to help with the healing process. As always, if your vet prescribes your canine any medicine, it is vital that you stick to the precise frequency and dosage instructions and complete the full course of medication.

Has your dog developed nonulcerative keratitis? What kinds of symptoms did you see? Tell us all about it in the comments below.

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