Adderall xr heart problems. . Your doctor should check you or your child carefully for heart problems before starting ADDERALL XRIn most cases it seems to come along with either pre-existing heart problems or other . . ADDERALL XR ® 20mg qd ADDERALL ® 10mg bid ADDERALL ® 10 mg bid ADDERALL XR ® 20mg qdPrior to taking Adderall XR, be sure to talk to your healthcare provider about any health conditions you may have, such as heart problems, high blood pressure, or any . . . . . . Other seriou... more