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What happens if I miss a dose (Adderall, Adderall XR)?

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

What happens if I overdose (Adderall, Adderall XR)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of amphetamine and dextroamphetamine can be fatal.

Overdose symptoms may 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.

What should I avoid while taking amphetamine and dextroamphetamine (Adderall, Adderall XR)?

Amphetamine and dextroamphetamine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Do not take amphetamine and 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 and dextroamphetamine. These can make your body absorb less of the medicine.

What other drugs will affect amphetamine and dextroamphetamine (Adderall, Adderall XR)?

Tell your doctor about all other medicines you use, especially:

• blood pressure medications;
• a diuretic (water pill);
• cold or allergy medicines (antihistamines);
• acetazolamide (Diamox);
• chlorpromazine (Thorazine);
• ethosuximide (Zarontin);
• haloperidol (Haldol);
• lithium (Eskalith, Lithobid);
• methenamine (Hiprex, Mandelamine, Urex);
• phenytoin (Dilantin), phenobarbital (Luminal, Solfoton);
• propoxyphene (Darvon, Darvocet);
• reserpine;
• antacids, sodium bicarbonate (Alka-Seltzer);
• stomach acid reducers such as cimetidine (Tagamet),esomeprazole (Nexium), famotidine (Pepcid), lansoprazole (Prevacid), nizatidine (Axid), omeprazole (Prilosec), or ranitidine (Zantac); or
• an antidepressant such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), imipramine (Tofranil), or nortriptyline (Pamelor).

This list is not complete and other drugs may interact with amphetamine and dextroamphetamine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about amphetamine and dextroamphetamine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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