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Eye discharge in dogs is a symptom rather than a disease itself, and has a variety of causes. Eye discharge may be clear and runny, or it may be green/yellow and thick. If your dog's symptoms are mild and he/she has a normal appetite and energy level, and does not have any other symptoms of illness, it is okay to monitor him/her for a few days.
Signs that Your Dog Needs to See a Veterinarian
- Eye discharge persists for more than just a few days
- Amount of eye discharge increases
- Color and/or consistency of the eye discharge changes (i.e., it goes from a clear in color and a liquid consistency to yellowish/green in color and a mucous consistency)
- Your dog is squinting, blinking excessively, and/or pawing at or rubbing his/her eyes
- Eye(s) become swollen, cloudy, or are unable to be opened
- Eye discharge accompanied by other signs of illness (e.g., sneezing, nasal discharge, decreased appetite, lethargy)
What You Can Do
- If your dog allows it, you can try to wipe the eyes clean of the discharge with a moistened cotton ball, using a fresh cotton ball for each eye.
- Avoid using over the counter eye drops on your dog unless a veterinarian specifically instructs you to do so.
- Observe your dog for other symptoms of illness.
Common Causes of Eye Discharge
- Inflammation of the tissue around the inner eyelids/outer eyeball (conjunctivitis) caused by allergies, environmental irritants, or certain diseases
- Bacterial or viral infections
- "Dry Eye"
- Ulcer on the cornea (surface of the eye)
- Injuries or trauma to the eye
- Abnormal eyelids or eyelashes, eyelid tumors
Treatment of Eye Discharge
- In minor cases of infection and inflammation, the treatment may be as simple as an antibiotic ointment put into the eye or an oral antibiotic. In the more serious cases, surgical intervention may be needed.
- If your dog's eye is swollen and painful, the following may be used: warm compresses applied over the eye, pain medications, and/or an eye medication that dilates the pupil.
- If your dog has "dry eye", treatment will include artificial tears and/or an eye medication that stimulates the eyes to make more tears.
- It is important to remember that you must follow the treatment course prescribed by the veterinarian. Problems in the eye can rapidly decline, causing pain for the dog and eye damage that cannot be repaired.