Why won t my dog gain weight?

An inability to gain weight, or extreme and sudden weight loss in dogs, may make your furry friend look sickly and have marked effects on his behavior. In these cases, you’re right to be concerned. If you notice such symptoms, it would be wise to take your dog to the vet for a proper diagnosis since inability to gain weight could be caused by a variety of larger problems. read more

It is possible that your guy may have a very fast metabolic rate causing trouble gaining weight. This is common in german sheperds and this may be normal for him. It would be unusual for such a young dog to have a thyroid problem causing this inability to gain weight but it does occur. read more