Amphetamine-dextroamphetamine is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control.

Amphetamine-dextroamphetamine is used to treat narcolepsy and attention deficit hyperactivity disorder (ADHD).

Amphetamine-dextroamphetamine may also be used for purposes other than those listed in this medication guide.

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results from this medication.

Take this medication with a full glass of water.

Do not take amphetamine-dextroamphetamine in the evening because it may cause sleep problems (insomnia).

Do not crush, chew, break, or open an extended-release capsule. Swallow the pill whole. It is specially made to release medicine slowly in the body. Breaking or opening the pill would cause too much of the drug to be released at one time.

To be sure this medication is helping your condition, your doctor will need to see you on a regular basis. Do not miss any scheduled visits to your doctor.

This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using amphetamine-dextroamphetamine.

Store amphetamine-dextroamphetamine at room temperature away from moisture, heat, and light.

Amphetamine-dextroamphetamine is a drug of abuse and may be habit-forming. Keep track of how many pills have been used from each new bottle of this medicine. You should be aware if any person in the household is using this medicine improperly or without a prescription. Using this medication improperly can cause death or serious side effects on the heart.

Before taking amphetamine-dextroamphetamine, tell your doctor if you are using any of the following drugs:

• blood pressure medications;

• a diuretic (water pill);

• cold or allergy medicines (antihistamines);

• acetazolamide (Diamox);

• chlorpromazine (Thorazine);

• ethosuximide (Zarontin);

• guanethidine (Ismelin);

• haloperidol (Haldol);

• lithium (Eskalith, Lithobid);

• methenamine (Hiprex, Mandelamine, Urex);

• phenytoin (Dilantin), phenobarbital (Luminal, Solfoton);

• propoxyphene (Darvon, Darvocet);

• reserpine;

• sodium bicarbonate (Alka-Seltzer); or

• antidepressants such as amitriptyline (Elavil), amoxapine (Ascendin), clomipramine (Anafranil), desipramine (Norpramin), imipramine (Tofranil), or nortriptyline (Pamelor).

If you are using any of these drugs, you may not be able to use amphetamine-dextroamphetamine, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect amphetamine-dextroamphetamine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Amphetamine-dextroamphetamine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Do not take amphetamine-dextroamphetamine late in the day. A dose taken too late in the day can cause sleep problems (insomnia).

Avoid drinking fruit juices or taking vitamin C at the same time you take amphetamine-dextroamphetamine. These can make your body absorb less of the medicine.

Seek emergency medical attention if you think you have used too much of this medicine. An overdose of amphetamine-dextroamphetamine can be fatal.

Symptoms of a amphetamine-dextroamphetamine overdose include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggressiveness, unexplained muscle pain or tenderness, muscle weakness, fever or flu symptoms, 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.

Take the missed dose as soon as you remember. If it is almost time for your next dose, or if it is already evening, skip the missed dose and take the medicine the next morning. Taking this medicine late in the day can cause sleep problems. Do not take extra medicine to make up the missed dose.

Do not use amphetamine-dextroamphetamine if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), rasagiline (Azilect), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you take amphetamine-dextroamphetamine before the MAO inhibitor has cleared from your body.

Do not use this medication if you are allergic to amphetamine-dextroamphetamine, or if you have hardened arteries (arteriosclerosis), heart disease, moderate to severe high blood pressure (hypertension), overactive thyroid, glaucoma, severe anxiety or agitation, or a history of drug or alcohol addiction.

Some stimulants have caused sudden death in children and adolescents with serious heart problems or congenital heart defects. Before taking amphetamine-dextroamphetamine, tell your doctor if you have any type of heart problems.

Do not give this medication to a child younger than 3 years old without the advice of a doctor.

Long-term use of amphetamine-dextroamphetamine can slow a child’s growth. Tell your doctor if the child using this medication is not growing or gaining weight properly.

Amphetamine-dextroamphetamine is a drug of abuse and may be habit-forming. Keep track of how many pills have been used from each new bottle of this medicine. You should be aware if any person in the household is using this medicine improperly or without a prescription. Using this medication improperly can cause death or serious side effects on the heart.

Do not use amphetamine-dextroamphetamine if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), rasagiline (Azilect), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you take amphetamine-dextroamphetamine before the MAO inhibitor has cleared from your body.

Do not use this medication if you are allergic to amphetamine-dextroamphetamine or if you have:

• heart disease or moderate to severe high blood pressure (hypertension);

• arteriosclerosis (hardening of the arteries);

• overactive thyroid;

• glaucoma;

• severe anxiety, tension, or agitation; or

• if you have a history of drug or alcohol addiction.

Some stimulants have caused sudden death in children and adolescents with serious heart problems or congenital heart defects.

Before using amphetamine-dextroamphetamine, tell your doctor if you are allergic to any drugs, or if you have:

• a congenital heart defect;

• high blood pressure;

• heart failure, heart rhythm disorder, or recent heart attack;

• a personal or family history of mental illness, psychotic disorder, bipolar illness, depression, or suicide attempt;

• epilepsy or other seizure disorder; or

• tics (muscle twitches) or Tourette’s syndrome.

If you have any of these conditions, you may not be able to use amphetamine-dextroamphetamine, or you may need a dosage adjustment or special tests during treatment.

FDA pregnancy category C. This medication may be harmful to an unborn baby. It could also cause premature birth, low birth weight, or withdrawal symptoms in a newborn if the mother takes amphetamine-dextroamphetamine during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Amphetamine-dextroamphetamine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Long-term use of amphetamine-dextroamphetamine can slow a child’s growth. Tell your doctor if the child using this medication is not growing or gaining weight properly.

Do not give this medication to a child younger than 3 years old without the advice of a doctor.

Your pharmacist has information about amphetamine-dextroamphetamine written for health professionals that you may read.

Amphetamine-dextroamphetamine mixture is available with a prescription under the brand names Adderall and Adderall XR. Other formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

• Adderall 5 mg–blue, round tablets

• Adderall 10 mg–blue, round tablets

• Adderall 20 mg–orange, round tablets

• Adderall 30 mg–orange, round tablets

• Adderall XR 5 mg–clear/blue capsules

• Adderall XR 10 mg–blue/blue capsules

• Adderall XR 15 mg–blue/white capsules

• Adderall XR 20 mg–orange/orange capsules

• Adderall XR 25 mg–orange/white capsules

• Adderall XR 30 mg–natural/orange capsules