Psychological dependence is most common among Adderall users that come to rely on the drug as a crutch to help them perform better at school/work, function in social settings, or maintain a positive mood. This means that they have a high potential for abuse, are habit forming, and may result in dependence. Abuse potentialīoth the immediate-release (IR) and extended-release (XR) versions of Adderall are classified as “Schedule II” controlled-substances. The total duration of effect provided by Adderall XR is estimated to be approximately 12 hours, whereas that of Adderall IR is between 4 and 6 hours. The capsules of the Adderall XR contain little beads, 50% of which are immediate-release (just like the “IR”) and 50% of which are delayed-release. Whether you respond better to one format of the drug over the other is highly individual – another person may have a completely different response.Īdderall IR is manufactured in tablet format, whereas Adderall XR is manufactured in the form of capsules. There also shouldn’t be any significant differences in terms of side effects.
XR: What’s the difference?ĭue to the fact that both Adderall IR and Adderall XR contain the same active ingredient of 75% dextroamphetamine and 25% levoamphetamine, there theoretically shouldn’t be any significant difference in terms of efficacy. Adderall XRĬapsule (50% immediate-release, 50% delayed-release)ĥ mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 30 mgĪdderall IR vs. XR Comparison Chartīelow is a chart created to help you analyze the general similarities and differences between Adderall IR and XR. Some people claim to tolerate one format than the other, which is likely due to physiological differences in absorption of the beads within the XR compared to the tablet of the IR. The primary difference between the two is that Adderall XR elicits nearly double the duration of effect. The Adderall XR capsule contains beads with the same active ingredient as Adderall IR 75% dextroamphetamine and 25% levoamphetamine. Fortunately Adderall XR was a solution that could be used to combat popping an extra Adderall IR tablet. This complicated treatment, especially for children that would need school nurses to take extra time to administer treatment. Those taking the original version of Adderall (immediate-release) often would end up having to take multiple pills throughout the day due to the fact that the effect only lasted 4 to 6 hours. Years after its initial approval, Shire Pharmaceuticals developed an “extended-release” format of the drug called “Adderall XR.” This format of the drug was launched in 2001 as a means to provide extended relief from attentional-deficits spanning up to 12 hours. Adderall is a well-known medication used to treat ADHD that has been on the market since 1996.
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