A common disorder in aged person now a days is been knee pain either both side or one side. The main symptoms are they have intense pain while walking or rising from sitting, unable to squat, difficult to stand for long, swelling of joint, crackling of joints, change in shape of legs etc..
Patient usually prefer immediate pain relief so the take high powerful pain killers some times with steroids. This will 100% leads to liver pathology or acute or chronic renal failure an irreversible change.
The main reason for increasing in renal failure cases is intake of so much pain killers and powerful antibiotics.
Another important thing is some people do some foolish advertisements like they will cure osteoarthritis or this product will cure this never fall in these business traps and waste your money.
The reason for knee pain is osteoporosis degeneration of knee joint and narrowing of joint space so these are irreversible change so it can't be cured only palliation can be done.
The best and harmless and free from.side effect medicine is homoeopathy so always go for homoeopathy for these irreversible disorder so other organs would be safe and saved.