How do you pay?

How to pay the least

Ask for the cash price

Rebif

Rebif is a biologic. Biologics don’t have generics, but some have biosimilars or an unbranded version from the same maker. Ask your pharmacist or prescriber whether one is sold.

  1. Ask your pharmacy for Rebif’s cash price, and one or two other pharmacies too.
  2. Rebif’s savings card works only with insurance from a job or one you bought.

Compare every option

Question
Brand nameRebif
Authorized genericinterferon beta-1a
Regular genericinterferon beta-1a
What you’d pay
Cash priceAsk the pharmacy
Not soldThere isn’t one
Not soldAsk the pharmacy
Same as Rebif?
The original
–
–

Brand nameThe maker’s card

MS LifeLines Co-Pay Assistance Program

Savings card from EMD Serono

No insuranceNeeds insuranceNo cash price listed.
Insurance · as little as $0 a prescription

Sign up on rebif.com 

Or call 1-877-447-3243.

In the maker’s words

“You may pay as little as $0 co-pay or co-insurance for Rebif® (interferon beta-1a).”

From the maker’s offer on rebif.com, checked November 2, 2026. Co-pay cards can’t be used with Medicare (including Medicare Advantage), Medicaid, TRICARE or VA.

Maker’s card or discount card?

A discount card like GoodRx lowers the pharmacy’s cash price, but for a brand-name drug that price often stays high. Compare it with the maker’s card above. You can usually use one or the other on a fill, not both.

Authorized genericNot sold

There isn’t one. An authorized generic is Rebif itself, from the same company, sold without the brand name, and usually for less. For now Rebif is the only choice; its maker’s savings card can lower what you pay.

See the brand name →

Regular genericNot sold

Rebif is a biologic. Biologics don’t have generics, but some have biosimilars or an unbranded version from the same maker. Ask your pharmacist or prescriber whether one is sold. Generics usually come once the brand’s patents and exclusivity end. Until then, the maker’s savings card is the way to pay less.

See the brand name →

What it’s used for

What the FDA label says

Rebif is an interferon beta indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

Source: the FDA label for Rebif (EMD Serono, Inc.), September 22, 2025. Full label on DailyMed 

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