Osteoarthritis is a progressive joint disease that is characterized by a loss of joint cartilage. On the other hand, osteoporosis describes bones that have become weak and brittle due to low bone mass. People with osteoporosis are at a higher risk of fractures, often from falls.[1]
What’s the difference between osteoarthritis and osteoporosis?
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•Last Updated: May 16, 2025
Osteoarthritis is a progressive joint disease marked by the loss of joint cartilage, whereas osteoporosis refers to weakened and brittle bones due to low bone mass, which increases the risk of fractures.