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.
The short acting form of Adderall is taken by patients twice a day in tablet form. The recommended starting dose for children 3 to 5 years of age 2.5 mg daily; children 6 years or older is 5 mg once or twice daily. Depending on the individual, an adultâs usual dose is 5 mg to 60 mg daily.
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).