Alendronic acid or Alendronate is sold under the brand name of Fosamax. It is a type of drug that prevents the loss of bone density and is generally used in treating osteoporosis and similar diseases. The dose of Alendronate is taken orally and is often recommended together with vitamin D, calcium supplementation, and lifestyle changes. In this getlegal.com article, read about Alendronate’s side effects, its uses, and more What Is Alendronate? Why Is It Used? Alendronate falls under the bisphosphonate category of drugs. It is used to treat and prevent osteoporosis - a condition in which the bones become thin and weak and break easily, especially in women who have undergone menopause, and also to treat osteoporosis in men. Another primary drug use is to treat osteoporosis in men and women who are taking corticosteroids which is a specific medication that causes osteoporosis in some patients. Treatment of a bone condition called Paget's disease in which the bones are soft and weak a...