A doctor who specializes in this medical specialty is called an orthopedic (alternatively, orthopaedic) surgeon or orthopedist.
Other possibility is of ligamentous degeneration. This needs to be investigated.In either of the case better consult an orthopedic surgeon & get your knee examined & investigated.
Other than that how mobile are you. How often you walk through out the day. Before deciding for surgery you should have a fair trial of exercises & medicines. In most of the cases it works satisfactorily. If it doesn’t & your arthritis is limited to a limited part of you knee joint you can think of a knee preservation surgery.
A qualified orthopedic surgeon who knows knee replacement & knee preservation surgery can help you decide better.
Knee preservation surgeries include- corrective osteotomies ie. realignment surgery,microfracture ie rebuilding the worn out cartilage,ACI ie autologous chondrocyte implantation.
Rheumatoid arthritis is a disease that damages the lining surrounding our joints while also destroying our bones, tissue, and joints over time.
Osteoarthritis is a progressive condition that slowly damages the cartilage surrounding the ends of bones and is common in the hip, knee, and spine.
Heat is used to increase blood flow, which helps promote pain relief after inflammation and swelling subside. Heat is also used to assist in warming muscles up prior to exercise, any physical activity, or physical therapy.