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).
Amphetamine-Dextroamphetamine Extended Release Dosage. The recommended starting amphetamine-dextroamphetamine extended release dosage will vary between 10 mg and 30 mg daily. Your healthcare provider will determine your dosage based on several factors, such as your age, other medical conditions you may have, and other medications you may be taking.