Orexin Receptor Antagonists
Lemborexant
Lemborexant (Dayvigo) is a bedtime tablet for adults with insomnia, whether the trouble is falling asleep, staying asleep or both; it blocks orexin, a brain signal that keeps people awake. It is sold only as the Dayvigo brand, is a Schedule IV controlled substance, and must not be taken by anyone with narcolepsy.
This page is general information about a medication and how cash prices for it are set. It is not medical advice and does not replace the label, your prescriber or your pharmacist. How we handle medical information
Dayvigo is the only lemborexant product on the US market, supplied in bottles of 30 and 90 tablets.
About Lemborexant
Orexins are brain chemicals that promote wakefulness, and lemborexant blocks their receptors. The label covers adults with insomnia marked by trouble falling asleep, staying asleep or both. The dose is 5 mg, no more than once a night, immediately before going to bed and with at least 7 hours left before the planned time to wake; it can be raised to 10 mg if needed. Taking it with or soon after a meal can delay sleep. Moderate liver impairment limits the dose to 5 mg, it is not recommended in severe liver impairment, and its safety and effectiveness in children have not been established.
There is no boxed warning. It can impair daytime alertness even when used as prescribed: driving was impaired in some people taking 10 mg, so they are cautioned about driving the next morning, and alcohol and other sedatives add to the effect. Sleep paralysis (being unable to move or speak for up to several minutes when falling asleep or waking), vivid hallucinations at those moments, and episodes of leg weakness resembling mild cataplexy can occur. Complex sleep behaviors such as sleep-walking and sleep-driving mean stopping it at once, and worsening depression or suicidal thoughts must be reported. Sleepiness is the most common side effect, older adults face a higher risk of falls, and it must not be taken by anyone with narcolepsy.
As a Schedule IV drug, a prescription can carry up to five refills within six months of the date written, and refill information can be transferred between pharmacies only once unless they share a real-time online database. In August 2026 the DEA proposed moving lemborexant, suvorexant and daridorexant to Schedule V; until a final rule takes effect, the Schedule IV rules apply. In studies, stopping it caused no withdrawal symptoms or rebound insomnia. If insomnia lasts beyond 7 to 10 days of treatment, the label calls for a check for another cause, and a pregnancy registry collects outcomes.
Taking Lemborexant
- How to take it
- Immediately before going to bed, no more than once a night, and only when you can stay in bed for at least 7 hours. It works faster if not taken with or right after a meal. Do not drive or do other dangerous activities until you feel fully awake.
- If you miss a dose
- It is usually taken as needed rather than on a schedule. Take it only right before going to bed, with at least 7 hours left before you plan to wake, and never more than once a night.
- Storage
- At room temperature in the original bottle, tightly closed, away from heat and moisture (not in the bathroom), out of reach of children. Use a take-back program for unused tablets.
- Interactions to know about
- Avoid alcohol. Strong or moderate CYP3A inhibitors such as itraconazole, clarithromycin, fluconazole and verapamil, and inducers such as rifampin, carbamazepine, St. John’s wort, efavirenz and modafinil, are avoided with it; with a weak inhibitor such as chlorzoxazone the dose is kept at 5 mg. It can lower levels of bupropion and methadone, and other sedatives add to next-day impairment.
This summarizes the official prescribing information. Your prescriber’s and pharmacist’s instructions, and the leaflet that comes with your medicine, take priority.
Why the cash price for Lemborexant differs from pharmacy to pharmacy
With no generic competition, every quote is for the Dayvigo brand, and differences come from what each pharmacy pays and the markup it adds. A pharmacy that rarely fills it may need to order it in.
Schedule IV rules limit a prescription to five refills within six months and allow refill information to be transferred only once unless the pharmacies share a real-time database, so it is worth choosing the pharmacy before the first fill.
Upload it and licensed pharmacies reply with their own cash price. You pay the pharmacy, not us.
Ways to pay less for Lemborexant without insurance
- Ask the maker whether its savings or patient assistance program applies to someone paying cash; many copay offers require commercial insurance.
- Compare quotes from more than one pharmacy, since brand markups differ.
- Once a dose is working, ask the prescriber whether a ninety-day supply is appropriate.
- If the brand price is a barrier, ask the prescriber whether a generic sleep medicine such as eszopiclone, zolpidem or ramelteon would suit you.
- Upload the prescription to Script Unlock so licensed pharmacies can quote their cash price. You pay the pharmacy directly.
How Script Unlock gets you a cash price for Lemborexant
Prices on this site come from pharmacies responding to a real prescription. We do not publish estimated, average or "typical" prices, because none of those would be your price.
- 1You upload your prescription
A photo of your Lemborexant prescription is enough. Nothing is sold on the site; you are asking pharmacies to quote.
- 2Licensed pharmacies respond
Pharmacies that Script Unlock has verified see the request and each can reply with its own cash price for your exact drug, strength and quantity.
- 3You choose and pay the pharmacy
You compare the responses, pick a pharmacy, and pay that pharmacy directly when you collect. Script Unlock never takes a patient payment and never sets the price.
Questions to ask your pharmacist about Lemborexant
- 1.Is 5 mg or 10 mg right for me, and can I drive the next morning?
- 2.Do any of my antifungal, antibiotic, seizure or wakefulness medicines interact with it?
- 3.What should I do if I wake unable to move or see things that are not there?
- 4.How many refills does my prescription allow, and can it be moved to another pharmacy?
Where Lemborexant fits
Refill, transfer and electronic-prescribing rules for controlled substances differ by state. See pharmacy rules by state.
Related medications
Sources
- FDA-approved labeling on DailyMed (lemborexant)
- MedlinePlus drug information (National Library of Medicine)
- FDA Orange Book (approved generics and therapeutic equivalence)
- Federal Register, DEA proposed rule to move suvorexant, lemborexant and daridorexant from Schedule IV to Schedule V (August 2026)
- Code of Federal Regulations, 21 CFR part 1306 (prescriptions)
Script Unlock is a marketplace that lets licensed pharmacies quote a cash price on your prescription. It does not prescribe, dispense or sell medication, does not process patient payments, and does not give medical advice. Always follow the instructions of your prescriber and pharmacist and read the medication guide supplied with your medicine.