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A member asked:
Could you give me more information about adderall versus vyvanse (lisdexamfetamine)?
A doctor has provided 1 answer
Sure.: Adderall xr has a two-hit delivery system, one kicking in 20-30 minutes after taking it and then again 3 1/2 to 4 hours later. Vyvanse (lisdexamfetamine) is a prodrug that is inactive till it gets into the body and is broken down into lysine and amphetamine. That means effects start up much more slowly (1-2 hours) and taper off much more gradually. Side effects and benefits are about the same.
Answered 4/11/2016
5.3k views
Related Questions
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
A member asked:
Ran out of adderall not gettin new script till tm, have left over vyvanse (lisdexamfetamine) from when i used to be prescribed before i switched, ok for me to take 1 day?
2 doctors weighed in across 2 answers
A member asked:
I took 60mg of Vyvanse (lisdexamfetamine) at 12am, and 10mg of Adderall 15 hrs later. How long until i can pass drug test?
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Why do I have withdrawal like symptoms from starting Vyvanse (lisdexamfetamine) after ending Adderall if I was only taking 20mg of Adderall a day and take 60 Vyvanse (lisdexamfetamine) now?
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A member asked:
What causes perscribed Vyvanse (lisdexamfetamine) or adderall?
A doctor has provided 1 answer
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