Onset of activity: 60 to 90 minutes; Duration of activity: 8 hours. Amphetamine-Dextroamphetamine (Adderall). Onset of activity: 30 to 60
Extended-Release (XR) Adderall: Extended-release Adderall formulations, such as Adderall XR, have a slower onset of action compared to immediate-release
Onset of Adderall Symptoms When you take Adderall, the medication starts to work relatively quickly. This rapid onset of action is the reason
Extended-Release (XR) Adderall: Extended-release Adderall formulations, such as Adderall XR, have a slower onset of action compared to immediate-release
onset of effect of an antidepressant Additional contraindications to Adderall, Adderall XR (amphetamine/dextroamphetamine), Dexedrine.
Adderall Withdrawal Duration: Adderall's immediate-release formulation leads to a quicker onset of withdrawal symptoms following discontinuation
Onset of Adderall Symptoms When you take Adderall, the medication starts to work relatively quickly. This rapid onset of action is the reason
Extended-Release (XR) Adderall: Extended-release Adderall formulations, such as Adderall XR, have a slower onset of action compared to immediate-release
Time to onset of action: Adderall starts working within minutes, leading to rapid onset. Conversely, Adderall XR takes longer to start
Comments
For clarity's sake, Biphetamine was a mixture of amphetamine salts and (for practical purposes) the same as Adderall.