Specialty Drug


MIGLUSTAT helps to keep normal blood levels of an enzyme needed to breakdown fat in the body. It is used to treat type 1 Gaucher disease. Compare GCS inhibitors.

Miglustat Medicare Coverage


Does Medicare cover Zavesca?

99% of Medicare Part D and Medicare Advantage plans cover this drug.

How much is my Zavesca co-pay with Medicare?

It depends. Which coverage stage are you in? Click on a tab below…

Donut Hole
Post-Donut Hole
Co-Pay Range
In the Deductible co-pay stage, you are responsible for the full cost of your prescriptions. Your Medicare deductible cannot exceed $360 in 2016.
Co-Pay Range
$7711 – $30843
In the Typical co-pay stage, your deductible has been satisfied, and Medicare pays the majority of your drug costs.
Co-Pay Range
$13879 – $30843
In the Donut Hole (also called the Coverage Gap) stage, you’ll pay more for your prescriptions. In 2016, the Donut Hole begins once you’ve spent $3,310 in one year.
Co-Pay Range
$15 – $30843
In the Post-Donut Hole (also called Catastrophic Coverage) stage, Medicare will cover most of your drug costs. In 2016, this stage begins once you have spent $4,850.
Want an exact price for your co-pay?

Ways to Save on Miglustat

Here are some ways that may lower the cost of your Zavesca prescription.

Patient Assistance Program
Call to get more information on how they can financially assist you with your prescription.

Find Your Miglustat Medicare Co-Pay

Here are average co-pays for some of the most popular Medicare plans. Be sure to add your plan to see your specific co-pay. If a price is shown in red, GoodRx has found discount prices that are lower than your Medicare co-pay.

Average Co-Pay for 1 dose pack (90 capsules) of Zavesca 100mg

Medicare Plan Name Average Co-Pay
AARP MedicareComplete (HMO) $8410
AARP MedicareComplete Plan 1 (HMO) $8828
AARP MedicareComplete SecureHorizons (HMO) $8147
AARP MedicareRx Preferred (PDP) $9862
AARP MedicareRx Saver Plus (PDP) $7711
Aetna Medicare Rx Saver (PDP) $7711
Cigna-HealthSpring Preferred (HMO) $9459
Cigna-HealthSpring Rx Secure (PDP) $7711
Cigna-HealthSpring Rx Secure-Extra (PDP) $8328
EnvisionRxPlus Silver (PDP) $7711
Express Scripts Medicare - Value (PDP)Lower price available $30843
First Health Part D Value Plus (PDP) $10178
Humana Enhanced (PDP) $10178
Humana Preferred Rx Plan (PDP) $7711
Humana Walmart Rx Plan (PDP) $7711
Kaiser Permanente Senior Advantage (HMO) $10178
MedicareBlue Rx Standard (PDP) $7711
SilverScript Choice (PDP) $10106
Symphonix Value Rx (PDP) $7711
WellCare Classic (PDP) $7711
Don't see your Medicare plan above?

Find and configure your plan to see exact co-pay prices for your meds.

Miglustat Medicare Formulary Information & Restrictions

Are there any restrictions on coverage?

Some Medicare plans have restrictions on coverage of Zavesca that may include:

Prior Authorization

Most Medicare plans will require you to obtain their authorization before they will provide coverage for this prescription. You’ll need to contact your plan and they may require you to have your doctor fill out paperwork indicating why you need this prescription. If you do not receive authorization or don’t want to go through this process, you may want to consider using a GoodRx discount instead of Medicare to find the best price for this prescription.

What drug tier is Zavesca typically on?

Tier 5

Medicare plans typically list Zavesca in Tier 5 of their formulary. Tier 5 drugs are usually non-preferred brand-name drugs. Tier 5 drugs cost more than Tier 1, 2, 3 and 4 drugs.

Does your plan have restrictions?

See discount prices that can save you money when your Medicare plan doesn't work for you.

Medicare prices are provided by the Centers for Medicare and Medicaid Services (CMS). If you encounter any issues, please let us know.
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