what type of infections causes conjunctivitis in dogs
Conjunctivitis in dogs can be caused by a number of things, including: 1  Infections Viral (distemper, canine herpes virus) Bacterial. Fungal. 2  Immune Mediated Allergy or pollen. Follicular conjunctivitis (refers to eye appearance that looks like small red areas) Plasma cell conjunctivitis. 3  A foreign object in the eye. Dog Pink Eye (Conjunctivitis) A foreign body called foxtail (a type of grass) caused this case of pink eye. Treatment included a topical anesthetic to numb the eye and then removal by a veterinarian. After removal, the dog stopped itching, which was also causing eye irritation.