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A member asked:
First few days on 30 mg vyvanse (lisdexamfetamine) were superb. focus and motivation were high, effects diminished so moved to 50 mg and same thing, worked for few days.
A doctor has provided 1 answer
Unusual: Unusual for the benefits to diminish in a few days - however I have seen patients who require as much as 90 mgm/day - if effects continue to diminish need to change meds.
Answered 2/26/2013
5.3k views
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