Assuming that your dog is in good health, an annual checkup and vaccination is generally all that's needed to keep him healthy. Still, there are emergency situations when your pet will need immediate attention.

How often is too often when it comes to your pet's vaccinations? It's a question more and more pet owners are asking these days. Mounting debate about the need to vaccinate animals annually, along with concerns about a possible link between vaccines and rare cancers, may leave many pet owners confused about how often to visit the vet for vaccinations.