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How to Identify and Treat a Dog Eye Infection

Overview

Dog eye infection and signs of infection in surrounding structures are common .A red or irritated appearance usually indicates a case of diagto conjunctivitis (more commonly known as "pink eye"), anterior uveitis (problem on the inside of the eye) or glaucoma (redness on the white part of the eye, called the sclera). The Vet can often tell the difference based on the location on the eye where the redness occurs.

Other parts of the eye that are commonly infected include the cornea (corneal infection, ulcers and keratitis). The cornea can also be damaged by a condition called dog dry eye or Keratoconjunctivitis sicca.

Video: Treating An Eye Infection in Dogs

Veterinarian Dr. Patrick McHale, DVM describes the symptoms, diagnosis and treatment methods used to treat eye infections in dogs

Common Causes of Eye Infections in Dogs

Causes of dog eye infection includes:

If your dog’s eyes appear red or inflamed, if she has unusual drainage from her eyes (some moisture in the eyes is normal and healthy; you will know what is normal for your pet), or if she seems to be having trouble seeing or to be especially sensitive to the light, see your veterinarian for a diagnosis. Treatment for a dog eye infeciton is either topical via drops or ointment, prescription or homeopathic. (see below for specific types of eye infection and related treatment options).

Eye infections may become chronic if not treated and can cause permanent damage if neglected.

If you expect allergies or something in the environment are the cause, you can try an over the counter saline solution as an eye wash. If you see no improvement after 2 days then see your veterinarian. If you suspect an eye tumor see our guide on .


Dog Eye Infection: Superficial infection mucocutaneous on the eye of a dog
Source:


Specific Causes of Canine Eye Infection


Dog Corneal Infection or Ulcer (Keratitis)

The outer lining of the eye is called the cornea.  It's role is to cover the iris and the pupil, protecting the interior of the eye.  If the cornea becomes scratched or if some type of other defect forms due to a diseases such as dog dry eye or pannus, it can become infected with bacteria, causing a condition called canine keratitis (also called a corneal infection).   If the bacteria isn't treated early, the infection becomes deeper, causing a canine corneal ulcer that could rupture the eye globe, resulting in dog eye removal.

Dog Keratitis (Corneal Ulcer) Treatment

Treatment for a canine corneal ulcer involves the use of a topical antibiotic such as ofloxicin or ciprofloxacin. If your dog is in pain, then a specific medication to make your dog comfortable may also be prescribed.  One approach to combat bacteria is to use a topical serum that is actually made from the dog's own blood. Treatment requires frequent evaluation by your veterinarian and treatment that can last weeks to months.

Dog Conjunctivitis (dog pink eye)

Dog conjunctivitis or dog pink eye is the most common dog eye infection. It is an inflammation of the membrane covering the inside of the eyelids and the front of the eye also called the mucous membranes of the eye. It often just affects one eye, although it can affect both. The eye becomes red and inflamed. There may be clear or mucous discharge from the eye. It is usually caused by viruses or bacteria. Less often, it may be caused by parasites or by allergies.



Dog Pink Eye (also called conjunctivitis)
is the most common type of dog eye infection

A common primary cause of canine conjunctivitis is chronic irritation and/or exposure resulting from anatomical problems of the lids (entropion, ectropion) or eyelashes (e.g., distichia, trichiasis). Irritation may also result from nasal folds and exposure in brachycephalic breeds, as well as exposure to chemicals, wind and dust.

Canine conjunctivitis does not cause a change in vision. Pain is not associated with the disease and redness is moderate to minor. A common primary cause of canine conjunctivitis is chronic irritation or exposure resulting from the incorrect way the eyelids (distichia, trichiasis)or eyelashes functioning. Redness may also be caused by nasal problems and exposure to environmental toxins such as chemicals, wind or dust.

Treatment for Conjunctivitis in Dogs

Conjunctivitis is usually treated with medicated (antibiotic) eye drops. These are administered several times a day and will lead to a dog conjunctivitis cure. In addition, the cause of the conjunctivitis must be treated. This may mean oral antibiotics will be prescribed, or allergy medication given.

An approach you can try at home is to clean the discharge from your dog's eyelids. Wet a soft, clean cloth or cotton ball with lukewarm water, squeeze it out and gently wipe away the discharge from around each eye that is affected. Repeat twice a day or as often as needed. You can also try a scrub such as an over the counter eye scrub such as Eye Clear. Eye scrubs are pH-balanced and may cause less stinging than water.

Another approach is to help your dog shed some tears. Eye scrubs help keep the lids clean, you'll also want to wash the surface of the eye. A good way to do this is with artificial tears, which can help wash away particles that may be causing the problem.

For added relief try applying a compress. Covering your dog's eyes with a damp, warm compress can be soothing. Apply for 5 minutes. Rinse the cloth first is applying to more than one eye.

Grooming can help prevent eye irritants by keeping hair out of the eye. Hair around the corners of the eye can cause canine conjunctivitis. Brushing the hair away from the eyes can help as well.

Keratoconjunctivitis sicca (Dry Eye)

Keratoconjunctivitis sicca is a condition in which there is inadequate production of tears in the eye. The eyes are too dry and the corneas can be damaged. There is also the risk of ulcers (sores) on the eye. In some cases, this is a chronic infection, requiring long-term treatment.

Treatment for Keratoconjunctivitis Sicca

Keratoconjunctivitis sicca is treated with artificial tears (eye drops that are formulated to resemble the composition of natural tears), tear stimulants, and anti-inflammatory eye drops. Oral anti-inflammatory medications may also be prescribed.

Canine Uveitis

Uveitis is an inflammation of the interior or inside of the eye. Symptoms include redness of the eye, a cloudy appearance, or may appear the eye can appear bloody on the inside.  The dog eyes may also be sensitive to light (photophobia), have blurred vision, and be experiencing some eye pain. Blindness can occur if it is not treated.

Causes include infectious diseases such as blastomycosis or leptospirosis, or other viral, bacterial, fungal, protozoal and rickettsial causes.  

Canine uveitis diagnosis is performed in the office with an ophthalmascope. If the vet suspects a dog eye infection, then the vet may opt for blood or urine tests to rule out infectious organisms as a potential causes.

Uveitis Treatment for Dog Eye Infection

Uveitis is treated with glucocorticoid steroid eye drops, such as betamethasone, dexamethasone, or prednisolone. Oral steroids, such as prednisone, may also be prescribed.

Homeopathic Dog Eye Support

After checking with your veterinarian, natural approaches to dog eye care contain herbal tincture that can provide additional support for the eye during recovery from disease and to prevent eye infections in dogs as well as improve general eye and visual health.

Common ingredients in homeopathic dog eye home remedies include:

  • Arctium lappa (Burdock) - cleansing and eliminating herb and is excellent at detoxifying the tissues and removing unwanted substances from the body.
  • Rosmarinus officinalis (Rosemary) is well-known as a topical antiseptic/disinfectant, pain-relieving herb with anti-inflammatory effects.
  • Chelidonium majus is used to boost the immune system, combat infections, sharpen sight, promote healing and act as an analgesic (pain killer).
  • Filipendula ulmaria (Meadowsweet) Has astringent, antiseptic and anti-inflammatory properties and is excellent for soothing and healing infections of the eyes and conjunctiva.

A good commercial source for these and similar herbal treatments is Pet Alive for eye infection. Note that herbal remedies are for added support, speed healing and prevent future dog eye problems. They are are not considered to be a specific cure.

Have a Dog Eye Health Related Question For Our Veterinarian?

Do you have a dog eye infection or eye health related question for our Veterinarian? We'll answer it for free! Please include information such as eye appearance, if the condition can be found in both eyes, dog age, sex, breed, medical history, symptoms, diet, changes in behavior and medications.

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References for Dog Eye Infection

Diagnosis and Treatment of the “Red Eye”
Ron Ofri, DVM, PhD, Diplomate ECVO,
Koret School of Veterinary Medicine
Hebrew University of Jerusalem, IL

Glaucoma - The Updates
Simon M Petersen-Jones DVetMed PhD DVOphthal DipECVO MRCVS
Associate Professor
Department of Small Animal Clinical Sciences
College of Veterinary Medicine
D-208 Veterinary Medical Center
Michigan State University
East Lansing, MI 48824

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