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Generic Name: rimantadine (ri MAN ta deen)
Medically reviewed by Holevn.org on Nov 18, 2019 – Written by Cerner Multum
What is rimantadine?
Rimantadine is an antiviral medicine used to treat or prevent influenza A in people who are at least 17 years old. Rimantadine is also used to prevent influenza A in children ages 1 to 16 years old.
Rimantadine may not be effective during every flu season because certain strains of the virus may be resistant to rimantadine. Rimantadine should not be used in place of getting a yearly flu shot. The Centers for Disease Control recommends an annual flu shot to help protect you each year from new strains of influenza virus.
Rimantadine may also be used for other purposes not listed in this medication guide.
Do not receive a nasal flu vaccine while taking rimantadine, and for at least 48 hours after your last dose.
Before taking this medicine
You should not use rimantadine if you are allergic to rimantadine or a similar medicine called amantadine.
Tell your doctor if you have ever had:
a seizure; or
liver or kidney disease.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
You should not breastfeed while using this medicine.
How should I take rimantadine?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Start taking rimantadine within 24 to 48 hours after flu symptoms begin. Keep taking rimantadine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared.
Follow your doctor’s dosing instructions very carefully.
Tell your doctor if the person taking this medicine has trouble swallowing the rimantadine tablet.
Call your doctor if your symptoms do not improve, or if they get worse.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call 115. An overdose can be fatal.
Overdose symptoms may include agitation, hallucinations, or uneven heart rate.
What should I avoid while taking rimantadine?
Do not receive a nasal flu vaccine while using rimantadine, and for at least 48 hours after your last dose. The vaccine may not work as well during this time, and may not fully protect you from disease.
Do not drink alcohol. Dangerous side effects could occur.
Avoid driving or hazardous activity until you know how rimantadine will affect you. Your reactions could be impaired.
Rimantadine side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
extreme drowsiness, or if you fall asleep suddenly even after feeling alert;
a light-headed feeling, like you might pass out;
depression, agitation, aggression, behavior changes, hallucinations, thoughts of hurting yourself; or
Side effects such as headache, dizziness, feeling weak or tired, anxiety, vomiting, and stomach pain may be more likely in older adults.
Common side effects may include:
nausea, vomiting, loss of appetite, stomach pain;
sleep problems (insomnia); or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect rimantadine?
Using rimantadine with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.
Other drugs may affect rimantadine, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
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.
Copyright 1996-2018 Cerner Multum, Inc. Version: 5.01.
The content of Holevn is solely for the purpose of providing information about Thuốc Rimantadine and is not intended to be a substitute for professional medical advice, diagnosis or treatment. Please contact your nearest doctor or clinic, hospital for advice. We do not accept liability if the patient arbitrarily uses the drug without following a doctor’s prescription.
Reference from: https://www.drugs.com/mtm/rimantadine.html