A member asked:

Hi! my doctor put me on vyvanse (lisdexamfetamine) for adhd, it's helping me lose weight! which is good, but if i go off of it, will i gain it all back fast?

6 doctors weighed in across 2 answers
Dr. Oscar Novick answered

Specializes in Pediatrics

Weight loss: Yes the weight will return.

Answered 11/25/2013

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Likely: Vyvanse (lisdexamfetamine) causes weight loss by suppressing appetite. When it is discontinued appetite will be restored. To keep the weight off, the combination of exercise and diet will help.

Answered 5/16/2016

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