After the nicotine is gone, and the brain stops releasing the positive neurotransmitters, smokeless tobacco users feel tired, depressed, and down. Nicotine also causes the brain to release a chemical called dopamine. Other very addictive drugs like cocaine make the brain release dopamine, too.
Treating Narcolepsy. The starting dose of Adderall for narcolepsy in children (age 6 to 12) is 5 mg daily (this dose may be increased by 5 mg per week if necessary). For people 12 and older, the starting dose of Adderall for narcolepsy is 10 mg daily (increased by 10 mg per week if needed).
Wears off more gradually than dextroamphetamine alone, so rebound is less likely and more mild. Same as for Dexedrine tablets. ADDERALL XR 50% immediate release beads and 50% delayed release beads : Long Acting Capsule 5 mg 10 mg 15 mg 20 mg 25 mg 30 mg: Starting dose is 5 or 10 mg each morning (age 6 and older).