Here are some possible causes of unilateral eye swelling in dogs, but this is not an exhaustive list:
* Conjunctivitis: Inflammation of the conjunctiva, the clear membrane covering the white part of the eye.
* Keratitis: Inflammation of the cornea, the clear outer layer of the eye.
* Uveitis: Inflammation of the middle layer of the eye.
* Glaucoma: Increased pressure inside the eye.
* Cataracts: Clouding of the lens.
* Eyelid problems: Entropion (inward rolling of the eyelid), ectropion (outward rolling of the eyelid), or foreign objects in the eye.
* Allergies: Seasonal allergies or allergies to certain substances.
* Injuries: Trauma to the eye or surrounding area.
* Infections: Bacterial, viral, or fungal infections.
* Tumors: Benign or malignant growths.
Symptoms that may accompany eye swelling:
* Redness
* Discharge
* Squinting
* Pain
* Sensitivity to light
* Difficulty opening the eye
What to do if your dog's eye is swollen:
* Contact your veterinarian immediately.
* Avoid touching or rubbing the eye.
* Keep your dog calm and relaxed.
* Follow your veterinarian's instructions carefully.
It's crucial to get a professional diagnosis to ensure your dog receives the appropriate treatment and to prevent further complications.