A member asked:

Help please! i don't know when would be the best time to take vyvanse (lisdexamfetamine) and not crash?

A doctor has provided 1 answer
Dr. Samuel Bayles answered

Specializes in Child Psychiatry

Vyvanse (lisdexamfetamine): these medications are meant to last about 10h. after that they should wear off which for some people is severe. if you feel very badly then you can speak with your physician about changing medications.

Answered 8/15/2014

3.8k views

Thank

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