Alendronate (Fosamax | Fosavance)

Fosamax or Fosavance (alendronic acid or alendronic sodium) is a bisphosphonate medicine used to prevent and treat thinning of the bones (called osteoporosis), a condition called Paget’s disesase, and other diseases where loss of bone mass is a concern.

Bisphosphonates are a class of medicines that all work in a similar way to help the bones.

Taking Fosamax | Fosavance

Fosamax is available in oral tablet form in a variety of different dosages. 5 mg or 10 mg tablets are taken once a day. 35 mg or 70 mg tablets are taken once a week.

To minimize side-effects and ensure the best response, we recommend that patients take Fosamax as follows:

To help build the bones, patients should take calcium and vitamin D supplements while taking Fosamax. A doctor can tell you the right amount of calcium and vitamin D to take.

Important Tests and Risks




Watch Dr. Andy Thompson, a Canadian rheumatologist, introduce Fosamax in this short video:


Fosamax | Fosavance Quick Reference Guide