Interferon beta-1b

  • Part D specialty tier in 78% of formularies (2026Q3)
  • Biologic
  • Betaseron

Therapy management checklist

Screening, baseline and ongoing monitoring with the label's stated frequency, hold and discontinue criteria, and counseling points, each quoted from the FDA label.

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Storage and cold chain

Interferon beta-1b: storage and handling

Freezing
Do not freeze
Label statement
Do not freeze.
Room temperature
No allowance stated
Back into the refrigerator
Not addressed
Light
Not addressed
Shaking
Not addressed

Temperature excursion helper

Answers only from this label's storage statements. It does not judge whether a product is still usable beyond what the label states.

The label does not state a room-temperature allowance for this product.

Entered: 1 day at up to 77°F (25°C).

Do not freeze.

Contact the manufacturer at 1-800-788-1467 (the number printed on the label) about this product.

Where the label prints this number
e needle attached 2 alcohol prep pads The optional BETACONNECT autoinjector is not supplied with BETASERON, but is available for patients with a prescription for BETASERON by calling the BETAPLUS patient support program toll-free number at 1-800-788-1467.
All storage statements on the label (4)
  • Discard unused portions.
  • Store BETASERON vials between 36°F to 86°F (2°C to 30°C).
  • After reconstitution, if not used immediately, refrigerate the reconstituted solution and use within three hours.
  • Do not freeze.

FDA label version 29, effective March 3, 2026. DailyMed

Dosing and titration calendar

Built only from the schedules the label states (loading, titration, day schedules, cycles and weight bands). Steps the label states in words the calendar cannot place are shown, not guessed.

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Medicare Part D coverage

78%of plans list it
74%of those: prior authorization
0%step therapy
95%quantity limit
96%specialty tier

5,496 Part D plans, CMS formulary files 2026Q3. Look up tier, PA, step therapy and quantity limits by plan

Patient assistance

No manufacturer program page is listed for this drug yet.

Independent foundations and the full directory (checked 2026-11-06). Eligibility and amounts are set by each program; open its page for them.

For licensed clinicians. Use with clinical judgment. Statements are quoted from the FDA label; confirm against the label for the product you are using.