Make sure you get an updated copy of your medical file before you leave the doctor's office. In case you need to see another physician, he or she will be able to make a diagnosis more quickly and accurately.

While this can be intimidating, Dr. Oz says you need to get over that intimidation. "Here is the reality. You want to know your family history. You want to know immunizations. You want to understand what your doctor's been thinking and doing with you," he says. "Because when you go to the next doctor, you don't want them being Columbo, trying to figure out what's going on with you. Why make it hard for them?"