#8 If your dog has persistently red eyes it could be a sign of infection, an eye socket disorder or glaucoma.
#9 If your dog is showing signs of restlessness than he/she is trying to get your attention that something is hurting.
#10 Vomiting can be a sign of a kidney disease or hormonal imbalance. Anyhow this should be a concern only if it happens three times or more during the day.