adhd
"My initial QbTest score was 99. I was prescribed Vyvanse 20mg but was supposed to be taking 3/day. I misunderstood and only took 1 early in the morning on the day of my follow up test. I have Nuvigil that I take occasionally for shift work sleep disorder. I took one to help stay alert on my afternoon drive to the follow up test. My QbTest score dropped from 99 to 12. I am sure that the Nuvigil is responsible because the Vyvanse was taken at the lowest dose and several hours outside the time window."