Generic name

Amantadine HCl

Covered by Medicare


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Average Annual Cost per Beneficiary


Average cost per year*

Average Annual Cost per Dose



Average cost per beneficiary*


  • Upsher-Smith La
  • Upsher Smith La
  • Strides Pharma
  • Morton Grove Ph
  • Marlex Pharm.
  • Major Pharmaceu
  • Pharm Assoc Inc
  • Lannett Co. Inc
  • Jubilant Cadist
  • Hi-Tech/Akorn C
  • Cipla USA, Inc.
  • Bionpharma Inc.
  • Banner Pharmaca
  • Avet Pharmaceut
  • Athem, LLC
  • Zydus Pharmaceu
  • Advagen Pharma
  • Alembic Pharmac
  • Actavis/Teva

What is Amantadine

Amantadine is used to prevent or treat a certain type of flu (influenza A). If you have been infected with the flu, this medication may help make your symptoms less severe and shorten the time it will take you to get better. Taking amantadine if you have been or will be exposed to the flu may help to prevent you from getting the flu. This medication is an antiviral that is believed to work by stopping growth of the flu virus. This medication is not a vaccine. To increase the chance that you will not get the flu, it is important to get a flu shot once a year at the beginning of every flu season, if possible. Based on the recommendation from the Centers for Disease Control (CDC) in the US, amantadine should not be used to treat or prevent influenza A because the current influenza A virus in the United States and Canada is resistant to this medication. For more details, talk to your doctor or pharmacist. Amantadine is also used to treat Parkinson's disease, as well as side effects caused by drugs (e.g., drug-induced extrapyramidal symptoms), chemicals, other medical conditions. In these cases, this medication may help to improve your range of motion and ability to exercise. For the treatment of these conditions, amantadine is believed to work by restoring the balance of natural chemicals (neurotransmitters) in the brain. NOTE: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

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*Origin of the terms and chart data used within this page:

Common Questions About Amantadine

Yes, Amantadine is covered by Medicare.

In 2021, the average cost per dose of Amantadine was $0.86.

The average dose of Amantadine received per year is 46,291,134 units

92,465 Medicare beneficiaries received Amantadine in 2021, which was a 0% from 2020

There were 475,944 claims made by Medicare beneficiaries, which is a -0.03% from 2020

The average spending amount per claim in 2021 was $72.71

The average Medicare spending per beneficiary amount for Amantadine was $374.27

The most expensive manufacturer of Amantadine is Upsher-Smith La

Morton Grove Ph is the least expensive manufacturer with an Average Spending Per Dosage Unit of $0.05

Upsher Smith La received $9,139,047.66

The total amount spent on Amantadine by Medicare is $34,606,488.32

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