Doctors are too busy. Ever wonder how your doctor can diagnose you in 10 seconds? They have to be able to swiftly diagnose and treat patients to keep pace with the American way of healthcare. So they play the probabilities. If it’s cold and flu season and you’re feeling crummy, you probably have the flu. Here’s what to do: If you are not getting the right diagnosis, keep going. It is not unusual for people with rare or unusual conditions to have to see many doctors before somebody gets it right.