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.
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.
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include agitation, confusion, hallucinations, or uneven heart rate.
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.
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);
- 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.
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.
Flumadine and rimantadine
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Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04