At the first sign of these symptoms, it’s best to take your dog to the vet. He can tell what type of conjunctivitis you’re dealing with and how to treat it. Plus it may be a more serious condition that could cause blindness if left untreated.
This allergic reaction is often seasonal and not contagious.
Cosmetics and perfumes
Nonsteroidal anti-inflammatory drugs
Steroid eye drops
This is caused by a virus, spreads easily, and can take up to 3 weeks to get better.