before your veterinarian can treat your rabbit, she must know what kind of worms is causing the infestation. since rabbits can pick up many of the same worms that infest cats and dogs, make sure all pets in your household receive regular deworming. obeliscoides cuniculi, a stomach worm, causes appetite and weight loss if your rabbit carries a lot of them. rabbits might also pick up roundworms, or ascarids. rabbits with worms might appear thin and unkempt, with poor coat …