Understanding the Duration: Does Adderall Only Last 4 Hours?
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5 min read
While a dose of immediate-release (IR) Adderall typically lasts 4 to 6 hours, the extended-release (XR) version is formulated to last 8 to 12 hours. The idea that **does Adderall only last 4 hours?** is therefore only accurate for one of the two main formulations, and even that duration is subject to individual variation.
