Rimantadine is an antiviral medication. It blocks the actions of viruses in your body.
Rimantadine is used to
treat and prevent
influenza A (a viral infection)
in adults. It is also used to
prevent
influenza A in children.
There may be some flu seasons during which rimantadine is not recommended because
certain flu strains may be resistant to this drug.
Rimantadine may also be used for other purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking rimantadine?
Do not use this medicine if you are allergic to rimantadine or a similar medicine
called amantadine (Symmetrel).
Before taking rimantadine, tell your doctor if you are allergic to any drugs, or if you have:
epilepsy or other seizure disorder;
kidney disease; or
liver disease.
If you have any of these conditions, you may need a dose adjustment
or special tests to safely take this medication.
FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell
your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether rimantadine passes into breast milk or if it could harm a
nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a
baby.
How should I take rimantadine?
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.
If you are taking rimantadine to treat influenza A, take it within 48 hours of when you
notice your first flu symptoms.
Take this medication with a full glass of water.
Measure the liquid form of rimantadine with a special dose-measuring spoon or cup, not a
regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Take this medication for the entire length of time prescribed by your doctor. Your
symptoms may get better before the infection is completely treated.
Store rimantadine at room temperature away from moisture and heat.
What happens if I miss a dose of rimantadine?
Take the missed dose as soon as you remember. If it is almost time for your next dose,
skip the missed dose and take the medicine at your next regularly scheduled time.
Do
not
take extra medicine to make up the missed dose.
Where can I get more information about rimantadine?
Your pharmacist has information about rimantadine written for health professionals that you may read.
What are the possible side effects of rimantadine?
Get emergency medical help if you have any of these
signs of an allergic
reaction:
hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using rimantadine and call your doctor at once if you have a seizure (black-out
or convulsions).
Less serious side effects may include:
nausea, vomiting, diarrhea, loss of appetite, stomach pain;
dry mouth;
sleep problems (insomnia);
dizziness;
headache; or
anxiety, trouble concentrating.
This is not a complete list of side effects and others may occur. Tell
your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about rimantadine?
Do not use this medicine if you are allergic to rimantadine or a similar medicine
called amantadine (Symmetrel).
Before taking rimantadine, tell your doctor if you are allergic to any drugs, or if you have
a seizure disorder, kidney disease, or liver disease.
Take this medication for the entire length of time prescribed by your doctor. Your
symptoms may get better before the infection is completely treated.
Do not use FluMist nasal influenza "live vaccine" while you are being treated with
rimantadine and for at least 48 hours after you stop taking rimantadine. The nasal vaccine may
not be as effective if you receive it while you are taking rimantadine. Before taking rimantadine,
tell your doctor if you have received a nasal flu vaccine within the past 14 days.
Avoid coming into close contact with someone who has a weak immune system, such as a
person who is taking steroids, being treated for cancer, or has a bone marrow disorder or an
illness such as HIV or AIDS. If you have a type of influenza that is resistant to rimantadine, your
body may actually shed that virus and a person with a weak immune system could easily become
ill from being near you.
What should I avoid while taking rimantadine?
Do not use FluMist nasal influenza "live vaccine" while you are being treated with
rimantadine and for at least 48 hours after you stop taking rimantadine. The nasal vaccine may
not be as effective if you receive it while you are taking rimantadine. Before taking rimantadine,
tell your doctor if you have received a nasal flu vaccine within the past 14 days.
Avoid coming into close contact with someone who has a weak immune system, such as a
person who is taking steroids, being treated for cancer, or has a bone marrow disorder or an
illness such as HIV or AIDS. If you have a type of influenza that is resistant to rimantadine, your
body may actually shed that virus and a person with a weak immune system could easily become
ill from being near you.
What other drugs will affect rimantadine?
Before taking rimantadine, tell your doctor if you are using any of the following drugs:
cimetidine (Tagamet);
aspirin or acetaminophen (Tylenol); or
nasal flu vaccine (FluMist).
This list is not complete and there may be other drugs that can interact
with rimantadine. 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.
What happens if I have an overdose of rimantadine?
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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up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum
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warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does
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interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse
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Content provided by Multum - Last Updated 11/10/2009