Ask your doctor before using a stomach acid medicine (including Alka-Seltzer or sodium bicarbonate). Some of these medicines can change the way your body absorbs Adderall XR, and may increase side effects.
Tell your doctor about all your current medicines. Many drugs can affect Adderall XR, especially:
lithium or other medicine to treat depression or mental illness;
blood pressure medicine;
a blood thinner such as warfarin, Coumadin, Jantoven;
cold or allergy medicine that contains a decongestant;
opioid (narcotic) medicine; or
seizure medicine.
This list is not complete and many other drugs may affect Adderall XR. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Adderall XR drug interactions (more detail)
