Do not take any calcium or iron supplements the day before and the day of your exam; excluding bone repair medications like Fosamax, Avista or Boniva.
Avoid scheduling any exam that requires contrast during the seven days prior to your Dexa Scan. This includes barium, nuclear medicine studies, or IV contrast studies. Wear comfortable clothing with no metal around the waist or spine (i.e. zippers, buttons, snaps, etc.).