The Beginning Signs of Pet Arthritis: The signs may be hard to spot at first. Your Dog takes a little longer to get up in the morning, or your cat doesn't jump as high as she used to. As time goes on, it becomes more and more apparent that your pet is having a hard time moving, and soon you realize that she is in pain whenever she walks, jumps, or even sits up. It can be a hard moment for a pet owner—learning that the animal you love has arthritis. Arthritis is a condition in which an animal's joints become inflamed. It is accompanied by pain, heat, and swelling in the joints, and it usually results in increasing stiffness and immobility. It doesn't have to mean a poor quality of life for your pet, however. There are medications, therapies, and ways you can accommodate your home to help your pet be more comfortable and enjoy her life with you. Signs that your dog may have arthritis include: • Favoring a limb • Difficulty sitting or standing • Sleeping more • Seeming to have stiff or sore joints • Hesitancy to jump, run or climb stairs • Weight gain • Decreased activity or less interest in play • Attitude or behavior changes • Being less alert