Osteoarthritis is characterized by the breakdown of cartilage – the part of a joint that cushions the ends of the bones and allows easy movement. As cartilage deteriorates, bones begin to rub against one another.
Arthritis pain can begin suddenly, but it is most likely to develop gradually over time. You may first experience pain when waking up in the morning or when you stand up after sitting for a while.
Knee replacement surgery is considered once all other conservative options have failed to provide any relief