Vyvanse will show up in the initial screening as a general amphetamine. After a positive initial screening, the sample will be further tested using a different methodology that will specify the type of amphetamine. Vyvanse will ultimately appear as d-amphetamine. Vyvanse will NOT show up as methamphetamine, as methamphetamine is chemically different from d-amphetamine.

Drugs do not necessarily show up on a urine test for 6 months no matter what you do...that is incorrect.  (Some drugs can however, show up for several months in drug tests using hair follicles. I am not sure of the specifics concerning Vyvanse and hair follicle testing.) All drugs put into your body are … Read more