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ATC L03AB07 · Interferons · updated 2 Nov 2026

Interferon Beta-1a shortage

As of 2 Nov 2026, Interferon Beta-1a has a reported shortage in 1 of the 16 countries we track (Sweden), covering 1 product from 1 company.

Is there an Interferon Beta-1a shortage?

Yes. As of 2 Nov 2026, Interferon Beta-1a is reported short in 1 of the 16 countries we track: Sweden. The earliest expected return is 9 Nov 2026 (Sweden). New since 3 Oct 2026: Sweden.

Countries1/16
Products1packs or presentations
Companies10 listed
Short since9 Oct 202624 days ago
Earliest return9 Nov 2026company estimate
Main reasonNot stated

Timeline

Sweden
Rebif 22 mikrogram Injektionspenna, 12 stRebif 22 mikrogram Injektionspenna, 12 sttoday

Solid bars run from the reported start to today; faded bars show the time left until the expected return. An arrow means no return date was given.

Which companies are short

products short, all countries
Merck Europe1

Compared with similar medicines

ATC group L03AB · Interferons
Interferon Alfacon-11/16Interferon Beta-1a1/16Interferon Gamma1/16Peginterferon Alfa-2a1/16

Affected products

CountryProductCompanySinceExpected backReason
SERebif 22 mikrogram Injektionspenna, 12 stMerck Europe B.V.9 Oct 20269 Nov 2026Not stated

"Expected back" is the date the company gave the authority, when it gave one. Ask a pharmacist about alternatives.

Questions

Is there an Interferon Beta-1a shortage?

Yes. As of 2 Nov 2026, Interferon Beta-1a is reported short in 1 of the 16 countries we track: Sweden. The earliest expected return is 9 Nov 2026 (Sweden). New since 3 Oct 2026: Sweden.

When will Interferon Beta-1a be back in stock?

Companies expect supply back from 9 Nov 2026 in Sweden; Sweden: 9 Nov 2026. These are company estimates reported to each authority.

Why is Interferon Beta-1a in short supply?

The most common reason reported is: not stated. Reasons by product are listed in the table below.

Which companies have Interferon Beta-1a shortages?

Merck Europe.