Fosamax is interesting drug for the discussion of cost.
As I mentioned on another thread, a 35 mg tab costs the same as a 70 mg tab. Sound sensible?
Even more interesting is the bioavailoability of the drug. For Fosamx, 99.9% of the drug that's ingested is excreted into the feces. One tab costs about $14. This means that each time a patient takes one tab, this patient excretes $13.99 worth of drug into their toliet.
The bottom line is that very,very little of the Fosamax is systemically absorbed.
Sensible?