Conditions, Diseases, and Medications that Contribute to Osteoporosis and Fractures
| Lifestyle factors | ||
| Alcohol abuse | High salt intake | Falling | 
| Low calcium intake | Inadequate physical activity | Excessive thinness | 
| Vitamin D insufficiency | Immobilization | Prior fractures | 
| Excess vitamin A | Smoking (active or passive) | |
| Genetic factors | ||
| Cystic fibrosis | Homocystinuria | Osteogenesis imperfecta | 
| Ehlers-Danlos syndrome Gaucher's disease Glycogen storage diseases Hemochromatosis | Hypophosphatasia Idiopathic hypercalciuria Marfan's syndrome Menkes' steely hair syndrome | Parental history of hip fracture Porphyria Riley-Day syndrome | 
| Hypogonadal states | ||
| Androgen insensitivity | Hyperprolactinemia | Athletic amenorrhea Panhypopituitarism | 
| Anorexia nervosa and bulimia | Premature menopause Premature ovarian failure | |
| Turner's & Klinefelter's syndromes | ||
| Endocrine disorders | ||
| Adrenal insufficiency | Cushing's syndrome | Central adiposity | 
| Diabetes mellitus (types 1 and 2) | Hyperparathyroidism | Thyrotoxicosis | 
| Gastrointestinal disorders | ||
| Celiac disease | Inflammatory bowel disease | Primary biliary cirrhosis | 
| Gastric bypass | Malabsorption | |
| Gastrointestinal surgery | Pancreatic disease | |
| Hematologic disorders | ||
| Multiple myeloma | Monoclonal gammopathies | Sickle cell disease | 
| Hemophilia | Leukemia and lymphomas | Systemic mastocytosis | 
| Thalassemia | ||
| Rheumatologic and autoimmune diseases | ||
| Ankylosing spondylitis | Lupus | Rheumatoid arthritis | 
| Other rheumatic and autoimmune diseases | ||
| Central nervous system disorders | ||
| Epilepsy | Parkinson's disease | Stroke | 
| Multiple sclerosis | Spinal cord injury | |
| Miscellaneous conditions and diseases | ||
| AIDS/HIV Alcoholism Amyloidosis Chronic metabolic acidosis Chronic obstructive lung disease | Congestive heart failure Depression End-stage renal disease Hypercalciuria Idiopathic scoliosis Muscular dystrophy | Posttransplant bone disease Sarcoidosis Weight loss | 
| Medications | ||
| Aluminum (in antacids) Anticoagulants (heparin) Anticonvulsants Aromatase inhibitors Barbiturates Cancer chemotherapeutic drugs Cyclosporine A and tacrolimus Depo-medroxyprogesterone (premenopausal contraception) | Glucocorticoids (≥5 mg/d prednisone or equivalent for ≥3 months) Gonadotropin-releasing hormone antagonists and agonists Proton pump inhibitors Selective serotonin reuptake inhibitors | Tamoxifen (premenopausal use) Thiazolidinediones (such as pioglitazone and rosiglitazone) Thyroid hormones (in excess) Parenteral nutrition | 
Source: From the 2014 National Osteoporosis Foundation Clinician's Guide to the Prevention and Treatment of Osteoporosis. © National Osteoporosis Foundation.