Abstract: In Rheumatoid Arthritis (RA) osteoporosis is secondary. Its cause and its treatment are still controversial. All agents used in post menopausal osteoporosis have been tried for RA osteoporosis. Our work is a prospective open study to demonstrate the efficacy of low dose NF (20 mg daily) in these patients. Sixty two patients with RA and osteoporosis (t score less than 2.5 standard deviation, as defined by WHO) entered the study. BMD ...