Arthritis, particularly Osteoarthritis and Rheumatoid Arthritis, is a common cause of ankle and foot pain. Osteoarthritis results from the gradual wear and tear of the cartilage that cushions the joints, leading to pain, swelling, and stiffness in the ankle or foot joints. As the cartilage deteriorates, bones may rub against each other, causing inflammation and discomfort. Rheumatoid arthritis, an autoimmune condition, affects the joints by causing chronic inflammation that can lead to joint deformities and significant pain.

In both forms of Arthritis, the joints in the ankle and foot may become stiff, making it difficult to walk or perform daily activities. In severe cases, arthritis can lead to joint instability or the development of bone spurs, further aggravating pain and discomfort. Treatment typically focuses on managing symptoms through medications, physical therapy, and sometimes surgery to restore joint function. In more severe cases, injections can provide temporary relief by reducing inflammation.