Amantadine

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Mar 23, 2023

Common Questions


Common Questions about Amantadine


Can amantadine be used in flu season?

Amantadine is an antiviral medication, and it may be used along with the flu shot during flu season for prevention and treatment of influenza A virus. However, you should not get the live flu vaccine (nasal spray) with amantadine because this medicine can interfere with how the live flu vaccine works.



Can I drink alcohol with amantadine?

It is best to avoid drinking alcohol while on amantadine. Alcohol can worsen side effects of amantadine, such as drowsiness, dizziness, lightheadedness, confusion, and low blood pressure.



Does amantadine work immediately?

Most people see an improvement in their symptoms after 1-2 days of starting amantadine. However, in some people, it can take up to 2 weeks to get the full benefits of this medicine.



How much amantadine can you take in a day?

The dose of amantadine depends on the formulation. Immediate release formulations are usually given at doses of 100 mg twice a day. The extended release formulations are given at doses of 129 mg or 137 mg per day. The maximum dose of amantadine is 322 mg per day.



How do you know if amantadine is working?

If you are taking amantadine for Parkinson disease, you should have fewer movement problems, tremors, and rigidity after starting the medicine.



What is the price of amantadine without insurance?

Without insurance, amantadine can be as high as $73.99, but with a free BuzzRx prescription discount coupon, you could pay as low as $9.00 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price, and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can also use your BuzzRx card and coupons to purchase brand-name versions. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescription drugs—whether you have insurance or not.



What is the price of amantadine with insurance?

Ask your pharmacist or insurance provider for your copay price on amantadine—copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for amantadine. When using the BuzzRx lookup tool to find the price of your medicine, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.