What Are The Side Effects Of Taking 300 Mg Of Vyvanse?

Posted on Sat, 8 Oct 2016

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Sat, 8 Oct 2016 Answered on

Wed, 2 Nov 2016 Last reviewed on

Question : Hi. I took 300 mg of vyvanse and had bad side effects, but I do need the drug for my ADHD, so I was wondering when I can go back to my prescribed dosage, which is 20 mg daily.

Answered by Dr. Ralph Chambers (1 hour later)

Brief Answer:
Hello. You need to wait at least 24 hours before resuming at 20 mg

Detailed Answer:
Hello. I don't know exactly what the bad side effects were, but you need to wait at least 24 hours before resuming at the 20 mg dosage. At that point the previous dose will be out of your system. You should also discuss this with your doctor.

Please let me know if you need any more information.

Above answer was peer-reviewed by : Dr. Raju A.T