Letermovir
- Part D specialty tier in 79% of formularies (2026Q3)
- PREVYMIS
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
Letermovir: storage and handling
- Freezing
- Not addressed
- Room temperature
- at or below 30°C (86°F)
Label statement
Store PREVYMIS tablets at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Room temperature
- at or below 30°C (86°F)
Label statement
Store PREVYMIS injection vials at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Room temperature
- at or below 30°C (86°F)
Label statement
Store PREVYMIS oral pellets at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Room temperature
- at or below 25°C (77°F)
Label statement
Store PREVYMIS tablets, PREVYMIS oral pellets, and PREVYMIS injection at room temperature between 68°F to 77°F (20°C to 25°C).
- Back into the refrigerator
- Not addressed
- Light
- Not addressed
- Shaking
- Not addressed
All storage statements on the label (11)
- Store PREVYMIS tablets in the original package until use to protect from moisture.
- Store PREVYMIS tablets at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Store PREVYMIS injection vials at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Store in the original carton to protect from exposure to light.
- Store PREVYMIS oral pellets in the original packet until use.
- Store PREVYMIS oral pellets at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
- Store PREVYMIS tablets, PREVYMIS oral pellets, and PREVYMIS injection at room temperature between 68°F to 77°F (20°C to 25°C).
- Store PREVYMIS tablets in the original package until you are ready to take it to protect from moisture.
- Store PREVYMIS oral pellets in the original packet until you are ready to take them.
- Store PREVYMIS injection in the original carton to protect from exposure to light.
- Advise patients to store PREVYMIS tablets and oral pellets in the original package until use [see How Supplied/Storage and Handling (16) ] .
FDA label version 28, effective January 14, 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
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.