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.
Dextroamphetamine and amphetamine is also started at a low dose, usually 5 mg and may be gradually adjusted by your doctor. The maximum daily dose is 40 mg to 60 mg per day. Children are often started at 2.5 mg a day, and gradually increased to a maximum of 40 mg per day.
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.