1 What is Flumadine?

Brand: Flumadine

Generic: Rimantadine Hydrochloride

Flumadine is a drug used in the treatment and prevention of illness caused by various strains of influenza A virus. This drug is available as a tablet containing rimantadine hydrochloride 100 milligram and as syrup containing rimantadine hydrochloride 50 milligram in 5 milliliter.


You should read the product information leaflet before using this medication. If you have any questions, ask your doctor or pharmacist.

This medication should be taken by mouth as instructed by your doctor. Do not crush or chew the drug because it may diminish its effects. This medication should be taken with a full glass of water unless your doctor tells you otherwise. You should swallow the drug whole. The syrup is to be taken using a measuring spoon.

Your dosage is based on your medical condition and the way you will respond to treatment. Take this drug regularly to experience the most benefits. You should also take this drug at the same time each day.

If you miss a dose, use it as soon as you remember. Continue to use it as prescribed by your doctor or as stated on the package label.


Flumadine may interact with medications such as flu vaccine inhaled through the nose. Tell your doctor about prescription and nonprescription/herbal products you may use with Flumadine.

Side Effects

There are no side effects known aside from a possible allergic reaction in people who have previous or unknown hypersensitivity to the drug.

Watch out for signs of allergic reactions such as:

  • Rash
  • Itching
  • Swelling


Before taking this medication, tell your doctor or pharmacist if you have the following:

  • Allergy to rimantadine
  • Liver disease
  • Kidney disease
  • Seizures
  • Pregnancy