Rimantadine Dosing

Rimantadine Dosing for Flu Prevention

The recommended dosage of rimantadine for flu prevention in individuals age 10 years and older is 100 mg twice daily, A lower dose (rimantadine 100 mg once daily) is recommended for people with kidney failure or severe liver disease and for elderly nursing home residents.
 
For children 1 through 9 years of age, the recommended dosage will depend on the child's weight (and is usually taken once daily).
 
Because rimantadine comes only in the form of tablets, your pharmacist may need to mix up an oral suspension (liquid) using the tablets for small children. If made in the "official" way, this suspension provides 10 mg of rimantadine per mL. It is good for 14 days after being made and should be stored at room temperature.
 
For flu prevention, it is not clear how long rimantadine should be continued.
   

General Information on Dosing for Rimantadine

Considerations for people taking rimantadine include the following:
 
  • Rimantadine comes in tablet form. It is usually taken by mouth once or twice a day.

 

  • For small children or others who cannot swallow tablets, your pharmacist can make a liquid form of rimantadine using the tablets. This suspension should be shaken before each dose. 

 

  • You can take rimantadine with food or on an empty stomach. If the drug seems to bother your stomach, try taking it with food.
     
  • For treating the flu, rimantadine works better the earlier it is started. Ideally, it should be started 48 hours of the onset of flu symptoms.
     
  • For the medication to work properly, it must be taken as prescribed.
     
  • If you are unsure about anything related to your rimantadine dosage, please talk to your doctor, nurse, or pharmacist.
     
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