Follow all directions on your prescription label. Your doctor may occasionally change your dose. Do not take  dextroamphetamine in larger or smaller amounts or for longer than recommended.
Dextroamphetamine may be habit-forming. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it. Selling or giving away this medicine is against the law.
Dextroamphetamine is sometimes taken 2 or 3 times per day. Extended-release dextroamphetamine is taken only once per day. Follow your doctor's dosing instructions very carefully.
Read all patient information, medication guides, and instruction sheets provided to you. Ask your doctor or pharmacist if you have any questions.
Do not crush, chew, break, or open an extended-release capsule. Swallow it whole.
Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
While using this medicine, your doctor will need to check your progress at regular visits. Tell any doctor who treats you that you are using this medicine.
Store at room temperature away from moisture, heat, and light.
Keep track of your medicine. Dextroamphetamine is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
 Detailed Dextroamphetamine dosage information
What happens if I miss a dose?
Take the missed dose as soon as you remember, but not late in the day. Skip the missed dose if it is almost evening. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of dextroamphetamine can be fatal.
Overdose symptoms may include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggressiveness, muscle pain or weakness, and dark colored urine. These symptoms may be followed by depression and tiredness. Other overdose symptoms include nausea, vomiting, diarrhea, stomach pain, uneven heartbeats, feeling light-headed, fainting, seizure (convulsions), or coma.
