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Amantadine Capsules and Tablets

Generic Name: Amantadine Capsules and Tablets (a MAN ta deen)

Uses of Amantadine Capsules and Tablets:

  • It is used to treat or prevent the flu.
  • It is used to treat side effects caused by some other drugs.
  • It is used to treat Parkinson's disease.
  • It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Amantadine Capsules and Tablets?

  • If you have an allergy to amantadine or any other part of this medicine (amantadine capsules and tablets).
  • 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 kidney problems.
  • If you have glaucoma.
  • If you are breast-feeding or plan to breast-feed.

This is not a list of all drugs or health problems that interact with this medicine.

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 medicine (amantadine capsules and tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Amantadine Capsules and Tablets?

For all uses of this medicine (amantadine capsules and tablets):

  • Tell all of your health care providers that you take this medicine (amantadine capsules and tablets). This includes your doctors, nurses, pharmacists, and dentists.
  • Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this medicine affects you.
  • To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Be careful going up and down stairs.
  • Heat stroke has happened in people taking this medicine (amantadine capsules and tablets). Be careful in hot weather and during physical activity.
  • Talk with your doctor before getting a flu vaccine after taking this medicine. Talk with your doctor before you take this medicine (amantadine capsules and tablets) if you have just gotten a flu vaccine.
  • Talk with your doctor before you drink alcohol.
  • Talk with your doctor before you use other drugs and natural products that slow your actions.
  • If you have kidney problems, talk with your doctor. Your dose may need to be changed based on how well your kidneys work. Deaths have happened in people with kidney problems whose dose was too high for their kidney function.
  • Deadly overdoses have happened with this medicine in adults and children. Keep away from children. Do not take more than you were told. If this drug is taken by accident, call your poison control center or get medical care right away.
  • If you are 65 or older, use this medicine (amantadine capsules and tablets) with care. You could have more side effects.
  • 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 medicine while you are pregnant.

Parkinson's disease:

  • Do not stop taking this medicine (amantadine capsules and tablets) all of a sudden without calling your doctor. You may have a greater risk of side effects. If you need to stop this medicine, you will want to slowly stop it as ordered by your doctor.
  • The chance of a type of skin cancer called melanoma may be raised in people with Parkinson's disease. It is not known if this medicine (amantadine capsules and tablets) may also raise the chance. Have skin exams while you take this medicine. Talk with your doctor.

How is this medicine (Amantadine Capsules and Tablets) best taken?

Use this medicine (amantadine capsules and tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take with or without food.
  • To gain the most benefit, do not miss doses.
  • Keep taking this medicine as you have been told by your doctor or other health care provider, even if you feel well.

What do I do if I miss a dose?

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

Dosage Information (comprehensive)

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:

For all uses of this medicine (amantadine capsules and tablets):

  • 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.
  • Change in how you act.
  • Feeling confused.
  • Very bad dizziness or passing out.
  • Hallucinations (seeing or hearing things that are not there).
  • Seizures.
  • Shortness of breath, a big weight gain, or swelling in the arms or legs.
  • Trouble passing urine.
  • Blurred eyesight.
  • Strong urges that are hard to control (such as eating, gambling, sex, or spending money).
  • Change in balance.
  • Falls.
  • Patients who take this medicine may be at a greater risk of having thoughts or actions of suicide. The risk may be greater in people who have had these thoughts or actions in the past. Call the doctor right away if signs like low mood (depression), nervousness, restlessness, grouchiness, panic attacks, or changes in mood or actions are new or worse. Call the doctor right away if any thoughts or actions of suicide occur.
  • Neuroleptic malignant syndrome (NMS) is a very bad and sometimes deadly health problem that has happened when this medicine (amantadine capsules and tablets) was stopped all of a sudden. NMS has also happened when the dose of this medicine was lowered. Call your doctor right away if you have any fever, muscle cramps or stiffness, dizziness, very bad headache, confusion, change in thinking, fast heartbeat, heartbeat that does not feel normal, or are sweating a lot.
  • Some people have fallen asleep during activities like driving, eating, or talking. Some people did not feel sleepy and felt alert right before falling asleep. This has happened up to 1 year after this medicine (amantadine capsules and tablets) was started. If you fall asleep during activities, do not drive or do other tasks or actions that call for you to be alert while you take this medicine. Call your doctor right away if this happens or you feel very sleepy.

Parkinson's disease:

  • A skin lump or growth.
  • Change in color or size of a mole.

What are some other side effects of Amantadine Capsules and Tablets?

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:

  • Upset stomach.
  • Not able to sleep.
  • Dizziness.
  • Headache.
  • Dry mouth.
  • Hard stools (constipation).
  • Not hungry.
  • Anxiety.

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 the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

Side Effects (complete list)

If OVERDOSE is suspected:

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.

How do I store and/or throw out Amantadine Capsules and Tablets?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

Consumer Information Use and Disclaimer

  • 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. Check with your pharmacist. If you have any questions about this medicine (amantadine capsules and tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • 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.

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. 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 (amantadine capsules and tablets). 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 the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine (amantadine capsules and tablets).

Review Date: November 1, 2017

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