Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
The combination medicine consists of alendronate (Fosamax®) and cholecalciferol (vitamin D). Alendronate belongs to a group of medications known as bisphosphonates. The drug binds to certain cells in the bones and slows down the rate at which they break down. Cholecalciferol is a vitamin that is important for healthy bones and is necessary in order for alendronate to be effective.