Osteoporosis and Arthritis: Two Common but Different ConditionsReviewed June 2010. Many people confuse osteoporosis and some types of arthritis. This fact sheet discusses the similarities and differences between these conditions.Arthritis and Osteoporosis - Osteoporosis Home PageArthritis and osteoporosis are often assumed to be similar conditions, but they are vastly different. This eMedTV article explains the differences between arthritis ...Osteoporosis - Causes - Diagnosis - Symptoms - Treatment ...Osteoporosis causes, diagnosis, symptoms, risk factors, prevention, and treatment. Osteoporosis is a disease that causes bones to weaken, become brittle and more ...