Alendronate tablet is also known as fosamax tablet. Alendronate is bisphosphonate. Alendronate is used in the treatment of osteoporosis caused by menopause and by taking steroids. This medications work by increasing bone density in men who have osteoporosis. This medication is used for both men and women. Aldendronate is also used in the treatment of Paget’s disease of bone both in men and women.