·Adderall Is used for the treatment of ADHD. It is a class of medication called amphetamine and dextroamphetamine. Adderall XR and IR pill, approved by the FDA in 1996, is a medication used for ADHD, narcolepsy, and insomnia, particularly beneficial for children aged 3 and above, in tablets, capsules, and liquid forms (AD 20mg or Orange Adderall 20 mg}.