Redness in the whites of the dog's eyes may be due to conjunctivitis. If you find any abnormalities in the dog's eyes, you should go to the pet hospital for examination and treatment in time to avoid aggravation of the condition. Do not blindly take medication. During this period, adjust the dog's diet and try to feed him something light and easy to digest. Food, guide the dog to drink more water, help the dog clean up eye secretions, and promote eye recovery.