Quviviq vs. Dayvigo
See how Quviviq and Dayvigo compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Quviviq and Dayvigo are both dual orexin receptor antagonists that treat insomnia by blocking wake-promoting brain signals rather than sedating the brain broadly.
Quviviq comes in two fixed doses, 25 mg and 50 mg, with no titration needed, while Dayvigo is dosed at 5 mg or 10 mg nightly.
Dayvigo typically costs less out of pocket than Quviviq, but Quviviq needs no dose adjustment for kidney problems.
Quviviq vs. Dayvigo Drug Summary
Quviviq
Quviviq (daridorexant) is a dual orexin receptor antagonist that treats insomnia in adults by blocking the natural signals that keep you awake. It comes in two fixed doses, 25 mg and 50 mg, taken once nightly, with no titration schedule needed.
Dayvigo
Dayvigo (lemborexant) is also a dual orexin receptor antagonist that treats insomnia in adults who have trouble falling or staying asleep. It's taken once nightly as a 5 mg or 10 mg tablet, and also requires no titration.
Quviviq vs. Dayvigo Side Effects
Quviviq
Dayvigo
Quviviq vs. Dayvigo Dosage
Quviviq
Dayvigo
| STAGE | DOSE | WHEN |
| Starting dose | 25 mg once nightly | At the start |
| Maximum dose | 50 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once nightly | At the start |
| Maximum dose | 10 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
Quviviq
| STAGE | DOSE | WHEN |
| Starting dose | 25 mg once nightly | At the start |
| Maximum dose | 50 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
Dayvigo
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once nightly | At the start |
| Maximum dose | 10 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
Quviviq vs. Dayvigo Indications
Quviviq
Quviviq is FDA-approved to treat insomnia in adults who have trouble falling asleep, staying asleep, or both. It is not approved for narcolepsy and hasn't been studied in children.
Difficulty falling asleep
Difficulty staying asleep
Adults only, not approved for children
Not approved for narcolepsy
Schedule IV controlled substance
Dayvigo
Dayvigo is FDA-approved to treat insomnia in adults with difficulty falling asleep, staying asleep, or both. It hasn't been studied in children and is not approved for narcolepsy.
Difficulty falling asleep
Difficulty staying asleep
Adults only, not approved for children
Not approved for narcolepsy
Schedule IV controlled substance
Quviviq vs. Dayvigo Pros and Cons
Quviviq
Quviviq offers two fixed nightly doses with no titration period, and clinical trials showed no signs of physical dependence or withdrawal after stopping. Its monthly list price tends to run higher than some other orexin blockers on the market.
Pros
No dose adjustment needed for kidney problems
No signs of physical dependence or withdrawal in clinical trials
Simple two-dose lineup (25 mg or 50 mg) with no titration schedule
Cons
Requires dose reduction for moderate liver impairment, not recommended in severe cases
Typically costs more out of pocket: roughly $520 to $685 per month without insurance, before savings programs
Newer to market, so less long-term real-world data than lemborexant
Dayvigo
Dayvigo has a longer track record since its 2019 approval, including 12-month trial data showing sustained sleep benefit without rebound insomnia. It carries more drug interaction restrictions and typically costs less out of pocket than newer options.
Pros
Long-term data showing sustained benefit without rebound insomnia after stopping
Generally lower out-of-pocket cost: roughly $135 to $400 per month without insurance, before savings programs
On the market longer, since 2019, with a broader track record of use
Cons
Must be avoided with strong or moderate CYP3A inhibitors or inducers, limiting use with many common medications
No generic version currently available
Reports of abnormal dreams and nightmares in some patients
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