I know a lot of us take Fosamax to prevent osteoporosis from the Prednisone. If you take Fosamax, please be extra careful with your oral hygiene, and see your dentist for regular checkups. There is an uncommon side effect involving the jaw bone that reportedly occurs in about
4% of people taking Fosamax. Here is a link to more information:
http://www.mayoclinic.com/health/fosamax/AN01379 While the risk is low, everything I've read suggests that careful dental care can help prevent the osteonecrosis.