We hate to see our Greyhound in pain! So when we notice that they are suddenly limping, we want to figure out why and fix it ASAP. Dog limping is a distressing condition for both of us. Dogs are like us in that there are a vast number of reasons that can lead to limping, and they range in terms of severity from minor to severe (emergency). Here are some tips so you can tell when you need to head straight for the vet.