Dogs come in a huge variety of shapes and sizes from the tallest Great Dane at over 42 inches high to the smallest chihuahua at only 6 inches long! Obviously this means that every breed has their own unique characteristics and, unfortunately, their own unique problems. If you have any worries at all about your pet, the best thing to do is seek the advice of a qualified veterinary surgeon as soon as possible. Below are a few pages with some basic information on how to keep your dog as healthy as possible.