what does it mean when a dog holds its tail down
Anal sacs that are impacted or infected can also cause a dog to hold the tail down and be protective of the area and painful. A dog that is scared, in estrus, or not feeling well, in general, may hold the tail down, as tail position is an important way for dogs to communicate. Back problems or injury.
Similarly to cats, a dog's tail can express a lot of different emotions, from anxiety to relaxation. Doggie tails are rather sophisticated communicators. If your dog's tail is dangling down in a loose manner, it actually may be in its default position, as long as its not hidden between the back legs. When a dog is feeling calm, cool, relaxed and content, he may keep his tail down next to his hind legs and lower thigh area. This type of tail body language indicates that all is fine in your pooch's world. No need to be alarmed here, so don't worry.