There is more than one type of arthritis with osteoarthritis being the most common form. This condition is due to wear and tear in the joints and is more common in people over 50. It is very painful in the weight-bearing joints such as the knees and hips. Cartilage wears away on the bone ends causing pain and swelling. Osteoarthritis may develop after an injury such as bone fracture or a joint dislocation.

Rheumatoid arthritis is due to inflammation or swelling of the joint lining which damages the joint. It can occur at any age and in more than one joint. This is caused by underlying rheumatic disease and is common in the hands and feet.

Diagnosis is by physical examination ann X-rays. Treatment may include rest and drugs to reduce inflammation, such as ibuprofen. Rheumatoid arthritis may be treated with steroid injections or other specific drugs to reduce inflammation and relieve pain.