A member asked:

Took 50mg of vyvance (dextroamphetmaine) on saturday was tested 45 hours later. w/ exercise and hydration will metabolite be in urine above 500 ng/ml?

A doctor has provided 1 answer

Dr. Richard Zimon answered

Specializes in Internal Medicine

Unlikely: but since vxyvance is a PRESCRIPTION medication a COPY of the bottle label should have been taken before the TESTING .......thus "explaining" a possible positive test!! hope this helps Dr Z

Answered 9/2/2017

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A member asked:

Took 50mg of vyvance (dextroamphetmaine) on saturday was tested 45 hours later. w/ exercise and hydration will metabolite be in urine above 500 ng/ml?

A doctor has provided 1 answer

Dr. Richard Zimon answered

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