How long does a 10mg dosage of Adderall XR last?
So, to the question, a single dose of Adderal to a new patient might work for 16 hours for attention span, or it might only be noticed for 4-6 hours. For someone taking it regularly at 20mg per day or less, it might still work for 12-14 hours, or it might seem to lose part of its effect after 4-6 hours, but the potentially negative effects on sleep stages or neurotransmitter stores might last into the next day when another dose is taken. For people taking more than the prescribed amount, no one has standing to make authoritative statements that it is safe, because the work hasn’t been done to test these claims. Accumulating negative and serious side effects, like reversal of effects, depression, mood instability and psychotic states, are possible in some cases, even predictable. There are plenty of people reporting disasterous results, as there are people dismissing their reports. So at excessive doses, it is theoretically possible that the deleterious effects of Adderal XR might in so