A member asked:

Will vyvanse (lisdexamfetamine) 30mg affect a drug test after one dose?

6 doctors weighed in across 3 answers
Dr. Paul Grin answered

Specializes in Pain Management

It will for 2 days: Average half-life is about 8 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 8*6/24=2 days. The vyvanse (lisdexamfetamine) will stay in your system for 2 days. Amphetamine-type medications can be habit-forming.

Answered 10/30/2018

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Dr. Johanna Fricke answered

Specializes in Pediatrics - Developmental and Behavioral

Yes, depending on : When testing is done relative to when it was taken. However, "drug screens" are read as positive by the concentration of a drug or its metabolite in the urine sample; therefore, depending on timing, the concentration may fall below the cut-off point for a "positive" screen. It isn't a problem for anyone who can show a prescription bottle in his or her name. Diversion is a different story.

Answered 10/30/2018

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Depends: It depends on when you have the test after you take the Vyvanse (lisdexamfetamine)

Answered 6/14/2016

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