Generic Name: rimantadine (ri-MAN-ta-deen)
Brand Name: Flumadine
Rimantadine is used for:
Preventing and treating certain types of flu in adults. It is also used to prevent certain types of flu in children. It may also be used for other conditions as determined by your doctor.
Rimantadine is an antiviral agent. Exactly how it works is not known. It may block reproduction of the virus.
Do NOT use rimantadine if:
- you are allergic to any ingredient in rimantadine or to any adamantane medicine (eg, amantadine)
Contact your doctor or health care provider right away if any of these apply to you.
Before using rimantadine:
Some medical conditions may interact with rimantadine. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of liver problems, kidney problems, or seizures
- if you have taken any adamantane medicine (eg, amantadine) for the flu and it has not worked
- if you will be receiving a live nasal flu vaccine, or have received one within the past 14 days
Some MEDICINES MAY INTERACT with rimantadine. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Acetaminophen or aspirin because they may decrease rimantadine's effectiveness
This may not be a complete list of all interactions that may occur. Ask your health care provider if rimantadine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use rimantadine:
Use rimantadine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take rimantadine by mouth with or without food.
- If you are taking rimantadine to treat the flu, start taking it as soon as possible. It works best if you begin taking it within 48 hours after you start having flu symptoms.
- Take rimantadine for the full course of treatment. Do not miss any doses.
- If you miss a dose of rimantadine, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use rimantadine.
Important safety information:
- Rimantadine may cause dizziness or drowsiness. These effects may be worse if you take it with alcohol or certain medicines. Use rimantadine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Rimantadine only works against certain types of the flu; it does not treat other viral infections (eg, the common cold) or infections caused by bacteria.
- Be sure to use rimantadine for the full course of treatment. If you do not, the medicine may not work as well. The virus could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
- Check with your doctor if you will be receiving a live nasal flu vaccine or have received one within the past 14 days. You should usually not start taking rimantadine until 2 weeks after you receive a live nasal flu vaccine. You should usually not receive a live nasal flu vaccine within 48 hours after you stop taking rimantadine.
- Use rimantadine with caution in the ELDERLY; they may be more sensitive to its effects, especially dizziness, headache, anxiety, weakness, tiredness, nausea, vomiting, and stomach pain.
- Rimantadine should not be used to treat the flu in CHILDREN younger than 17 years old or used to prevent the flu in children younger than 1 year old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using rimantadine while you are pregnant. It is not known if this medicine is found in breast milk. Do not breast-feed while taking rimantadine.
Possible side effects of rimantadine:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Dizziness; dry mouth; headache; loss of appetite; nausea; nervousness; stomach pain; tiredness; trouble sleeping; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; depression; fast or irregular heartbeat; hallucinations; seizures; swelling of the hands, ankles, or feet; tremor; trouble walking.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include agitation; hallucination; irregular heartbeat.Proper storage of rimantadine:
Store rimantadine at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep rimantadine out of the reach of children and away from pets.
- If you have any questions about rimantadine, please talk with your doctor, pharmacist, or other health care provider.
- Rimantadine is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take rimantadine or any other medicine. Only your health care 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 rimantadine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to rimantadine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using rimantadine.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care 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 health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
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- Drug class: adamantane antivirals
Other brands: Flumadine