A member asked:

I took a 10 mg vyvanse (lisdexamfetamine) at about 10 am this morning and i have a drug test the following morning around the same time.. i've drank plent of water and u?

A doctor has provided 1 answer

Is it prescribed??: If the answer is yes, there shouldn't be a problem. If it's no, then there may well be one. Vyvanse (lisdexamfetamine) is a precursor to amphetamine, and will show up as amphetamine on a drug screen, generally for 2-4 days after ingestion of a single dose. If it is not prescribed, you are dealing with some troublesome issues, which in my humble opinion, the least of which involves getting caught. Talk to your Dr.

Answered 2/21/2021

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