A member asked:

How do amphetamines work? i know my vyvanse (lisdexamfetamine) contains them, but meth also has amphetamine in it. i was curious what the difference was?

A doctor has provided 1 answer
Dr. Robert Grindstaff answered

Specializes in Addiction Medicine

they work by increasing the dopamine in the nerve synapses. Amphetamines like Vyvanse (lisdexamfetamine) contain a set amount of medication. Meth is illegal and as it is not made in a commercial lab the quality and strength is variable. Stick with your Vyvance it the safer alternative

Answered Jan 12, 2021

3.7k views

Thank

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Could i get meth mouth from vyvanse (lisdexamfetamine)?

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