If you have severe pain in the knees which interferes with daily activities and restricts your movements, then possibly knee replacement is the best option IF your X-rays show severe reduction in Joint space. For temporary relief, you can undertake the following options: - Physiotherapy to increase the strength of the knee and hip muscles ( do the exercises taught by the physio regularly at home) - Avoid high flexion activities ( such as sitting cross-legged, sitting on floor, squatting, etc.) - Preferably sit on a high chair or stool. - Use a commode chair with rubber commode extender - Avoid stairs - Control weight - For exercise, walk on plain level ground for not more than 15-20 minutes