1. Arthritis Pain
Arthritis is one of the most common ailments seen in middle-aged to older pets. Even younger dogs and cats, under the right circumstances, can suffer from arthritic changes. Arthritis causes changes within the affected joints that are painful for the affected pet. This pain is responsible for many of the signs associated with arthritis.
With pet osteoarthritis, bones are damaged because cartilage has given way. Cartilage is there to act as a cushion preventing bone from hitting bone as the joint moves. If the cartilage dries, roughens, or chips, bare bones are exposed. The exposed bone flattens and loses resilience so the joint no longer moves smoothly; it jerks and creaks. In response, the body sends white blood cells to the joint, but instead of repairing damage, the white blood cells release enzymes and free radicals that make things worse. The synovial fluid bathing the joint loses viscosity because it is damaged by the white blood cells' enzymes. As the synovial fluid thins, it's no longer able to resist joint compression or provide lubrication. Eventually, even the capsule that surrounds the joint inflames. The pet then has painful arthritis.
2. Key facts about arthritis in dogs and cats
Over 90% of geriatric cats have arthritis
Over 12 million cats in the US have arthritis
1 out of every 5 dogs over the age of 7 has arthritis
3. 7 Signs Your Dog
Most dogs in their senior years have arthritis. In fact, osteoarthritis (OA) is the most common skeletal disease of dogs. Working, athletic, obese dogs-and those with diabetes or Cushing's disease-are especially prone. Trauma and injury, hip dysplasia or elbow dysplasia also predispose pets to arthritis. Cats get arthritis too, and estimates are that 12 million cats in the US (20% of cats) have feline arthritis.
- Limping
You may see your pet limping or favoring one or more of his legs, depending on which legs and which joints are arthritic. In some cases, the limp may seem worse when your pet first rises and become less noticeable as your pet “warms up” by moving around.
- Difficulty Moving
Your pet may also become reluctant to do things that were previously easy for him to accomplish. For instance, your dog may find it difficult to get into and out of the car or may have difficulty going up and down stairs that were previously easily manageable. Arthritic cats, on the other hand, may stop jumping onto countertops, perches and other high areas because of the pain and discomfort.
- Spinal Issues
Arthritic changes can occur not only in the legs but also in the various parts of the spine. These changes may result in a sore neck, an abnormal posture with a “hunch” in the back, or lameness of one or both hind legs.
- Tiredness
Your pet may tire more easily. For dogs, this may mean that walks become shorter and more painful for your pet. Your pet may spend more time sleeping and/or resting.
- Irritability
Arthritic animals may become irritable. They may snap and/or bite when approached or handled, particularly if the petting or handling takes place in a manner that increases their pain.
- Muscle Atrophy
Arthritic pets often develop muscle atrophy or dying off of the muscle tissue due to inactivity and decreased use of the muscles. A pet with atrophied muscles in their legs will have a leg which looks thinner than a normal leg.
- Licking, Chewing & Biting
Pets affected with arthritis may also begin to lick at, chew or bite at body areas that are painful. This may even reach the point of causing inflamed skin and hair loss over affected areas.
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