I am a 18 year old female, 145 pounds. I am prescribed 40mg vyvanse and I stopped taking it for about a month, but I had to take it yesterday and I'm having some concerns. I took the pill at 1 o'clock after I had breakfast and lunch, but then I had gotten sick and threw up so I made the mistake of choosing to take another 40mg because I thought I threw up the last one, I was wrong. And normally it would be gone by now, and it hasn't. I have not slept at all, my body is exhausted but my head won't allow me to sleep. I've noticed my heartbeat has been beating as If I just ran a mile and I'm breathing just as fast. I'm not sure if this matters but I have postural orthostatic tachycardia syndrome and that may or may not factor in with my heart, I am not sure. I still feel like I iust took the medicine, it hasn't worn off at all. My lips are bright red, and dry. My mouth is completely dry and if I drink water it will return to how it was before I hydrated myself. I have the need to bite down really hard on my teeth. I can't think straight, though that may be because the lack of sleep. I'm also very emotional and I am easy to cry, which could also be because of not having sleep. My knee keeps bouncing, my hands are trembling, I haven't eaten since yesterday before 1 o'clock and I am starving, but when I try to eat I get a sick feeling in my stomach. I have the worst migraine I've ever had and I just feel awful and it's harder to breath especially when inhaling and I have stomach cramps. The joints in my fingers hurt as well. My eyes are irritated and red. I have the occasional twitch in my leg. I've been getting extremely dizzy and feel like I am going to pass out if I focus on something too hard and then look away fast. If you could let me know your opinion on if I need to seek medical attention and/or what I should do to resolve these issues. And also if you could recommend some ways to fall asleep while in this state.