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Vyvanse Patient Information including If I Miss a Dose
In this Article
- What is lisdexamfetamine (Vyvanse)?
- What are the possible side effects of lisdexamfetamine (Vyvanse)?
- What is the most important information I should know about lisdexamfetamine (Vyvanse)?
- What should I discuss with my doctor before taking lisdexamfetamine (Vyvanse)?
- How should I take lisdexamfetamine (Vyvanse)?
- What happens if I miss a dose (Vyvanse)?
- What happens if I overdose (Vyvanse)?
- What should I avoid while taking lisdexamfetamine (Vyvanse)?
- What other drugs will affect lisdexamfetamine (Vyvanse)?
- Where can I get more information?
What happens if I miss a dose (Vyvanse)?
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 (Vyvanse)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of lisdexamfetamine can be fatal.
Overdose symptoms may include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggressiveness, 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 lisdexamfetamine (Vyvanse)?
Lisdexamfetamine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Avoid drinking fruit juices or taking vitamin C at the same time you take lisdexamfetamine. These can make your body absorb less of the medicine.
What other drugs will affect lisdexamfetamine (Vyvanse)?
Tell your doctor about all other medicines you use, especially:
- ammonium chloride, ascorbic acid (vitamin C), K-Phos;
- chlorpromazine (Thorazine);
- ethosuximide (Zarontin);
- guanfacine (Intuniv, Tenex);
- lithium (Eskalith, Lithobid);
- methenamine (Hiprex, Mandelamine, Urex);
- phenytoin (Dilantin), phenobarbital (Luminal, Solfoton);
- blood pressure medications;
- a diuretic (water pill);
- cold or allergy medicines (antihistamines);
- pain medication such as meperidine (Demerol) or propoxyphene (Darvon, Darvocet);
- 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 lisdexamfetamine. 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 lisdexamfetamine.
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.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
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Additional Vyvanse Information
- Vyvanse Drug Interactions Center: lisdexamfetamine oral
- Vyvanse Side Effects Center
- Vyvanse Overview including Precautions
- Vyvanse FDA Approved Prescribing Information including Dosage
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