A member asked:

I took vyvanse (lisdexamfetamine) er by opening up capdule for 2-3 days. last use on friday. drug ua tomorrow. will it show?

A doctor has provided 1 answer

Dr. Glenn Burns answered

Specializes in Emergency Medicine

Maybe: Vyvanse (lisdexamfetamine) is in the amphetamine family. Whether it will show up depends on the type of test and how often you use it. Urine "immunoassay " tests look for specific drugs. The tests is positively if drug is detected above a certain level, not just "positive". Vyvanse (lisdexamfetamine) is turned into amphetamine in the body and takes about 100 hours to clear from the blood and probably 2 more days to clear the kidney

Dr Fowler agreed

Answered 8/2/2017

2.2k views

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A member asked:

I took vyvanse (lisdexamfetamine) er by opening up capdule for 2-3 days. last use on friday. drug ua tomorrow. will it show?

A doctor has provided 1 answer

Dr. Glenn Burns answered

Dr Fowler agreed

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