How Long Does Adderall Stay in Your System?
For sporadic use, Adderall can be detected in your system up to 5 days after the last use. If you are a long term user of Adderall it can still be detected after a longer period of time. Look here for more information: http://thesideeffects.org/adderall/how-long-does-adderall-stay-in-your-system/.
Adderall usually stays in the system up to 4 days after use. If the person has been using the drug for long time already, it would probably stay in your system for longer period.
Adderall can be detected in urine for up to 4 days from a single use. If there is heavy use, it may stay in the system for much longer.