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A member asked:

I just took 40mg of vyvanse (lisdexamfetamine) with a venti frap from starbucks should i be worried?

A doctor has provided 1 answer

Excessive stimulatio: You may experience excessive stimulation from the caffeine added to the stimulant effect of the Vyvanse (lisdexamfetamine). This may include a rapid pulse and heart rate and an increase in agitation.

Answered 5/11/2015

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