Brand Names: U.S.
What is this drug used for?
- It is used to treat a lot of sleepiness that may happen with sleep apnea, narcolepsy, or shift work problems.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take this drug?
This is not a list of all drugs or health problems that interact with this drug.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
- If you have an allergy to armodafinil, modafinil, or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have ever had a rash when taking this drug or a drug like it.
- If you have heart problems.
- If you have heart valve problems.
What are some things I need to know or do while I take this drug?
- Tell dentists, surgeons, and other doctors that you use this drug.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
- This drug may be habit-forming with long-term use.
- If you stop taking this drug all of a sudden, you may have signs of withdrawal. Tell your doctor if you have any bad effects.
- Have your blood pressure checked often. Talk with your doctor.
- You may have some heart tests before starting this drug. Talk with your doctor.
- Avoid beer, wine, or mixed drinks.
- Talk with your doctor before you use other drugs and natural products that slow your actions.
- Limit your use of caffeine (for example, tea, coffee, cola) and chocolate. Use with this drug may cause nervousness, shakiness, and a fast heartbeat.
- If you are 65 or older, use this drug with care. You could have more side effects.
- Do not give to a child younger than 17 years of age.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also, like a condom, when taking this drug and for 1 month after care ends.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Signs of low mood (depression), thoughts of killing yourself, nervousness, emotional ups and downs, thinking that is not normal, anxiety, or lack of interest in life.
- Chest pain or pressure or a fast heartbeat.
- Change in thinking clearly and with logic.
- Very bad headache.
- A heartbeat that does not feel normal.
- Fever or chills.
- Sore throat.
- Shortness of breath.
- Swelling in the arms or legs.
- Any bruising or bleeding.
- Feeling very tired or weak.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
What are some other side effects of this drug?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.
- Nervous and excitable.
- Loose stools (diarrhea).
- Not able to sleep.
- Back pain.
- Upset stomach.
- Stuffy nose.
How is this drug best taken?
Use this drug as ordered by your doctor. Read and follow the dosing on the label closely.
- Take with or without food.
- Shift work sleep problem: Take 1 hour before the start of work.
- Narcolepsy and sleep apnea: Take this drug in the morning.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is near bedtime, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
How do I store and/or throw out this drug?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
General drug facts
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only your healthcare provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your healthcare provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
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Last updated: November 23, 2013