Decubitus ulcer prevention garments for a dog are provided that include a fluid-filled bladder. The garments can include an inner layer that contacts and interacts with the body of the dog an intermediate layer that interfaces with the inner layer and includes the fluid-filled bladder and an outer layer joined to the inner layer and interfacing with the intermediate layer. The garments have a shape that is adapted to fit over and envelop the pelvic region of the dog such that the garments alleviate or reduce pressure on the soft tissues overlying the bony prominences of the pelvic region of a dog when the dog is lying in a recumbent position on a surface.