So if you are taking a three credit hour class (which is standard) then you would expect to spend about 6 to 9 hours per week studying for that class. Just to clarify, in this example studying includes homework, reading, projects, and everything else you have to do for a college class.
Similarities and Differences. Dextroamphetamine and amphetamine (brand name: Adderall) and dextroamphetamine (brand name: Dexedrine) are both central nervous system stimulants. Theyâre approved for the treatment of ADHD and also for narcolepsy (a neurological condition marked by severe daytime drowsiness).
Maximum Dose: 8 mg orally three times a day. Extended-release tablets: Initial: 2 mg orally once daily for 1 to 2 weeks, followed by increases of 2 mg/day at 1-week or longer intervals, depending on therapeutic response and tolerability. Maximum dose: 24 mg orally once a day.