Yes. Guaifenesin : does not interact with stimulants. Know that you'll have later onset, peak & wear-off of Vyvanse (lisdexamfetamine) since you waited.
Answered 4/8/2015
3.2k views
Yes: According to common drug literature sources, there is no problem taking the two medications together.
Answered 9/6/2017
3.2k views
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4 doctors weighed in across 2 answers
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