Rimantadine (Cont.)

When and How to Take Rimantadine

General considerations for when and how to take rimantadine include the following:
 
  • Rimantadine comes in tablet and syrup form. It is usually taken by mouth once or twice a day.
     
  • 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.
     

Rimantadine Dosage Information

The dose of rimantadine that your healthcare provider recommends will vary depending on a number of factors, including:
 
  • Whether you are treating or preventing the flu
  • Your age
  • Your weight (for children)
  • Your kidney and liver function
  • Other medications you may currently be taking.
     
As always, do not adjust your rimantadine dose unless your healthcare provider specifically instructs you to do so.
 
(Click Rimantadine Dosing for more information.)
 

Rimantadine Drug Interactions

Rimantadine can interact with a few other medications (see Drug Interactions With Rimantadine).
 

What If I Overdose on Rimantadine?

Based on what is known about overdose symptoms with amantadine (Symmetrel®), a very similar medication, people who take too much Rimantadine may have overdose symptoms that could include:
 
  • Agitation
  • Hallucinations
  • An irregular heart rhythm (arrhythmia)
  • Death.
     
If you happen to overdose on rimantadine, seek medical attention immediately.
 
(Click Flumadine Overdose for more information.)
 
(Rimantadine Continued: Page 4)

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;