Protect your joints: Do not lift any heavy weight which can exert pressure on your knees and joints
Do exercise: Under physician supervision or as guided by them you can do light exercise at small interval
Lose weight: lose excess weight
Bone up: Eat food that is rich in calcium or can take a calcium supplement as directed by physician. For a diabetic, blood pressure or heart patient, they have to take advice from a physician for the calcium supplement as it might interact with other medication.
Take the medication as prescribed: Don’t stop any medication by your own without consulting physician, if you are not finding medication of any use.
Apply warm water: Apply warm water pads it will help to relieve muscle tension and ease aching joints.
Stretch your legs: Small stretching exercise will make muscle ligament strong and stop muscles from wear and tear.
Apply Ice: When joints are inflamed and hot, try putting ice pack on it, it will reduce the swelling on it and pain by constricting blood vessels.
Eat healthy: Eat healthy food rich in minerals, nutrients and proteins. It will cover the quota you required to function your body metabolic activities.   _{Your Comment}