Does adderall work ?

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One difference between the drugs is how fast they work and how long they last. Adderall may work slightly faster, but Concerta lasts longer: Adderall typically works within 30 minutes and lasts for 5 to 7 hours. Adderall XR usually works within 30 minutes and lasts about 8 to 10 hours

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You might need to use this drug long term. From time to time during your treatment, your doctor may check whether you need to keep taking it. They’ll do this by tapering you off the medication to see if your symptoms return. If symptoms do return, you may need to keep taking the medication.