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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Are Effects Of Taking Double Dose Of Vyvanse?

my 13 year old daughter weighs 170 lbs. takes vyvanse 20 mg and 50 mg of lamotrigine in the morning, and 100 mg of lamotrigine at night. she accidently took the vyvanse tonight also. so she has had 40 mg of vyvanse today one at 8am and the other at 5:30 pm. what do i need to do?
Wed, 26 Oct 2016
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Diabetologist 's  Response
Hello, additional 20mg of vyvnase on an occasional day may not do any serious harm. Your daughter might get difficultly in falling asleep. Please make sure that this doesn't repeat. But for now, nothing needs to be done and continue the medications at prescribed dose and frequency from now onwards.
Hope the above information solves your query. Thanks.
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What Are Effects Of Taking Double Dose Of Vyvanse?

Hello, additional 20mg of vyvnase on an occasional day may not do any serious harm. Your daughter might get difficultly in falling asleep. Please make sure that this doesn t repeat. But for now, nothing needs to be done and continue the medications at prescribed dose and frequency from now onwards. Hope the above information solves your query. Thanks.