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A member asked:
When i take vyvanse (lisdexamfetamine) why does it take 3 hours for me to feel the effect and when i was on adderall i felt the effects right away ?
A doctor has provided 1 answer
Different onset.: There is an extended release Adderall which works like vyvanse (lisdexamfetamine). Some adderrall are short-acting and you can feel the effects sooner.
Answered 7/22/2014
4.4k views
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