Clinical features: Common form of arthritis, characterized by degenerative loss of articular cartilage, subchondral bony sclerosis, and cartilage and bone proliferation subsequent osteophyte formation. Cause unknown, but genetic, metabolic and biomechanical have been suggested. Gradual onset one or a few joints involved. Pain is the commonest symptom. Specific clinical features depend on the joint involved e.g.. enlargement of distal interphalangeal joint (Bouchard's nodes).

Treatment guidelines

Rest the joint. Use crutches or walkers to protect weight bearing joints in severe cases.

• Reduction of weight in obese patients
• Physiotherapy - exercise to the affected joints

Drug therapy

Acetylsalicylic acid give 900 mg orally every 6 hours with food

OR

Indomethacin give 25 mg every 6 hours with food.