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Many forms of arthritis commonly affect the feet. When they do, walking can be difficult and painful. Osteoarthritis frequently causes degeneration of the cartilage and bony spurs at the base of the big toe. This is what leads to bunions. Wider shoes may be necessary. High-heeled and pointed shoes should be avoided since they can put pressure at the point of the bunion. Degeneration of the arch of the foot can lead to spur formation on the top of the foot.
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