There are several well known risk factors for osteoporosis and osteoporotic fractures such as age, sex, low body weight, a low bone mineral density, a past fragility fracture, having a parent who had a hip fracture and a past history of fall(s).
Less well known are which medications and medical conditions that can increase the risk of osteoporosis and osteoporotic fractures either by causing more thinning of bones, by increasing the risk of falls or both.
Osteoporosis that results from having another disease or condition or from the treatment of another condition is called secondary osteoporosis.