A member asked:

I started on 40mg vyvanse (lisdexamfetamine) a week ago and on the first day, i felt the effects of it wonderfully. but after that, it seems that the effects decrease each day that i take it. why could it be?

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Dr. Alan Ali answered

Specializes in Psychiatry

Vyvanse (lisdexamfetamine): Vyvanse (lisdexamfetamine) dosage can be adjusted gradually up to 70mg. Daily, with close monitoring for heart status & other labs. Discuss with your doctor the response to see if need dose adjustment or supplementing vyvanse (lisdexamfetamine) with other meds. For adhd such as intuniv. Good luck 2u.

Answered 3/2/2013

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That's not uncommon: You are still on a small dose vyvanse (lisdexamfetamine) ask for dose increase, you should see a difference.

Answered 11/24/2016

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Dr. Alan Ali answered

Specializes in Psychiatry

Vyvance: There is room for adjustment in dose. Work with your doc.

Answered 12/7/2012

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Related Questions

A member asked:

Please tell me if it is safe to take 3 Vyvanse (lisdexamfetamine) 30mg a day?

8 doctors weighed in across 2 answers