Before taking Adderall
Stop using Adderall and call your doctor at once if you have a serious side effect such as:
fast, pounding, or uneven heartbeats;
feeling light-headed, fainting;
increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure); or
tremor, restlessness, hallucinations, unusual behavior, or motor tics (muscle twitches).