Reasons Why Dogs' Eyes Become Swollen It can occur secondary to an irritant like soap or smoke or an invading foreign matter like dust, hair, and grass. Viruses like distemper, herpes, hepatitis, and canine influenza also could cause eye infections. Funguses and parasites have also been known to result in swollen eyes.
Below are two helpful articles on a similar topic 👇
What should I do if my pet has an eye emergency?When to take your pet to the vet for an eye infection?
