Adderall XR 25 mg is the combination medicine of two drugs dextroamphetamine and amphetamine & it is connected to a class of medications that is simulants. It is commonly used for ADHD and Narcolepsy. It is the first choice of doctors to treat ADHD. Adderall XR 25 mg is a high dose of medicine that can be taken by adults. This medicine is an extended-release form of Adderall & commonly doctors start treatment with a low dose such as 5 mg, 10 mg if it is helpful for the patient then the doctor continues the treatment.