Osteoarthritis (or arthrosis) is caused by destruction of the synovium by wear and tear. Contributing factors include congenital hip luxation, obesity, osteoporosis, and diseases such as Perthes' disease .

Symptoms and signs

The main symptoms are pain and restricted movement. The joints mainly affected by osteoarthritis are the hip joints and the knee joints, although in theory any joint in the body can be affected.


The diagnosis is made on the basis of the history, restricted movement and X-rays of the joint.


Treatment is with NSAIDs or paracetamol, or joint replacement surgery in patients who would otherwise be mobile and do not benefit from medication. Recently glucosamine and chondroitin sulphate have been shown to improve symptoms of osteoarthritis.

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