i was on 20mg twice a day for 2 years generic addrerall they were peach bars then now they are peach circles i had to come off adderall in dec 2010 because i was pregnant now i am back on it dec 2011 long story short before i had to stop taking it gave me plenty of energy no racing thoughts great at my job no daydreaming ect..now i have been on it for a week and i am so tired i could fall asleep standing up and makes me so sick to the point of vomiting it helps me do nothing !!! has this happen to anyone else please help !!!