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Dayvigo
lemborexant
Adult Dosing .
Dosage forms: TAB: 5 mg, 10 mg
insomnia
- [5 mg PO qhs]
- Max: 10 mg/day; Info: for sleep onset and/or maintenance; use lowest effective dose; give immediately before bedtime and >7h before planned awakening; give without food for faster onset; reassess if no response after 7-10 days
renal dosing
- [see below]
- renal impairment: no adjustment
- HD/PD: not defined
hepatic dosing
- [see below]
- Child-Pugh Class B: max 5 mg qhs; Child-Pugh Class C: avoid use
Peds Dosing .
Peds dosing is currently unavailable or not applicable for this drug.
Contraindications / Cautions .
- hypersensitivity to drug or ingredient
- narcolepsy
- hepatic impairment, Child-Pugh Class C
- avoid: alcohol use
- caution: hepatic impairment, Child-Pugh Class B
- caution: CNS depressant use, concurrent
- caution: elderly patients
- caution: respiratory function, impaired
- caution: depression
- caution: alcohol abuse history
- caution: drug abuse history
Drug Interactions .
Overview
lemborexant
orexin antagonist
- CYP3A4 substrate
- CYP2B6 inducer, weak
- CNS depression
Avoid/Use Alternative
- apalutamide
- atazanavir
- avacopan
- bosentan
- carbamazepine
- ceritinib
- chloramphenicol
- ciprofloxacin
- clarithromycin
- clonidine
- codeine
- crizotinib
- dabrafenib
- danazol
- daridorexant
- darunavir
- doxylamine
- duvelisib
- efavirenz
- enzalutamide
- estazolam
- ethanol
- ethanol (in some formulations)
- etravirine
- fedratinib
- fluconazole
- flurazepam
- fosamprenavir
- grapefruit
- haloperidol
- hydrocodone
- idelalisib
- isavuconazonium
- itraconazole
- kava
- ketoconazole
- lefamulin
- letermovir
- lonafarnib
- lorlatinib
- mavacamten
- metoclopramide
- midazolam
- mitapivat
- modafinil
- nafcillin
- nefazodone
- nelfinavir
- nilotinib
- norgestimate (contraceptive)
- oxybate
- pacritinib
- pentobarbital
- phenelzine
- phenytoin
- primidone
- quazepam
- repotrectinib
- rifabutin
- rifapentine
- rilzabrutinib
- ritonavir
- ropeginterferon alfa-2b
- sevabertinib
- St. John's wort
- temazepam
- tipranavir
- tranylcypromine
- trimethobenzamide
- tucatinib
- verapamil
- voriconazole
- zaleplon
- zolpidem
- zuranolone
Monitor/Modify Tx
- 5-HTP
- aldesleukin
- alfentanil
- allopurinol
- almotriptan
- alprazolam
- amantadine
- amiodarone
- amitriptyline
- amlodipine
- amoxapine
- apraclonidine ophthalmic
- aripiprazole bimonthly injection
- aripiprazole lauroxil
- aripiprazole monthly injection
- aripiprazole oral
- asciminib
- asenapine
- atorvastatin
- baclofen
- baclofen intrathecal
- belumosudil
- berberine
- bicalutamide
- brexpiprazole
- brimonidine topical
- brivaracetam
- bromocriptine
- brompheniramine
- buprenorphine
- buspirone
- butorphanol
- cannabidiol
- cannabis
- capivasertib
- carbinoxamine
- cariprazine
- carisoprodol
- cetirizine
- chamomile, German
- chlophedianol
- chlorcyclizine
- chlordiazepoxide
- chlorpheniramine
- chlorpromazine
- chlorzoxazone
- cilostazol
- cimetidine
- citalopram
- clemastine
- clobazam
- clomipramine
- clonazepam
- clorazepate
- clotrimazole oropharyngeal
- clozapine
- cranberry
- cyclobenzaprine
- cyclophosphamide
- cyproheptadine
- dantrolene
- darifenacin
- desflurane
- desipramine
- desvenlafaxine
- deutetrabenazine
- dexbrompheniramine
- dexchlorpheniramine
- dexmedetomidine
- dexmedetomidine injection
- diazepam
- dichlorphenamide
- difelikefalin
- difenoxin
- dihydrocodeine
- dimenhydrinate
- diosmin
- diphenhydramine
- diphenoxylate
- domperidone
- doxepin
- doxepin topical
- dronabinol
- droperidol
- eletriptan
- elinzanetant
- entacapone
- entrectinib
- escitalopram
- esketamine
- eslicarbazepine acetate
- ethinyl estradiol (contraceptive)
- ethosuximide
- etomidate
- everolimus
- felbamate
- fenfluramine
- fentanyl
- fesoterodine
- finerenone
- flibanserin
- fluoxetine
- fluphenazine
- fluvoxamine
- fosaprepitant
- foslevodopa
- fostamatinib
- frovatriptan
- gabapentin
- gabapentin enacarbil
- ganaxolone
- gepotidacin
- ginkgo
- givinostat
- givosiran
- glecaprevir
- glofitamab
- glycopyrrolate
- goldenseal
- grazoprevir
- guanfacine
- hydromorphone
- hydroxyzine
- hyoscyamine
- ifosfamide
- iloperidone
- imipramine
- isoflurane
- isoniazid
- istradefylline
- ivacaftor
- ketamine
- lacosamide
- lamotrigine
- lapatinib
- larotrectinib
- lazertinib
- levetiracetam
- levocetirizine
- levodopa
- levomilnacipran
- levorphanol
- linvoseltamab
- lofexidine
- lomitapide
- lorazepam
- lovastatin
- lumateperone
- lurasidone
- maribavir
- mavorixafor
- meclizine
- melatonin
- meperidine
- meprobamate
- methadone
- methocarbamol
- methohexital
- methsuximide
- methyldopa
- metyrapone
- metyrosine
- milnacipran
- milsaperidone
- mirtazapine
- molindone
- morphine
- mosunetuzumab
- mycophenolate mofetil
- nalbuphine
- naltrexone
- nelarabine
- nicardipine
- nortriptyline
- olanzapine
- oliceridine
- opicapone
- opium
- orphenadrine
- osilodrostat
- oxazepam
- oxcarbazepine
- oxybutynin
- oxycodone
- oxymorphone
- palbociclib
- paliperidone
- paroxetine
- pazopanib
- pentazocine
- peppermint
- perampanel
- perphenazine
- pheniramine
- pibrentasvir
- pimozide
- pirtobrutinib
- pramipexole
- pregabalin
- primaquine
- procarbazine
- prochlorperazine
- propofol
- protriptyline
- pyrilamine
- quercetin
- quetiapine
- ranolazine
- rasagiline
- remdesivir
- remimazolam
- resveratrol
- risperidone
- ritlecitinib
- rizatriptan
- ropinirole
- rotigotine transdermal
- rucaparib
- rufinamide
- safinamide
- selegiline
- selegiline transdermal
- selinexor
- selpercatinib
- sertraline
- sevoflurane
- solifenacin
- spironolactone
- stiripentol
- sufentanil
- sumatriptan
- tapentadol
- tasimelteon
- tetrabenazine
- thioridazine
- thiotepa
- thiothixene
- tiagabine
- ticagrelor
- tizanidine
- tolcapone
- tolterodine
- tolvaptan
- topiramate
- tramadol
- trazodone
- treosulfan
- trifluoperazine
- trihexyphenidyl
- trimipramine
- triprolidine
- trofinetide
- trospium
- valbenazine
- valerian
- valproic acid
- venlafaxine
- vigabatrin
- vilazodone
- viloxazine
- vonoprazan
- xanomeline
- ziconotide
- ziftomenib
- zileuton
- ziprasidone
- zolmitriptan
- zonisamide
Caution Advised
- brimonidine ophthalmic
- bupropion
- nevirapine
- passion flower
- velpatasvir
Adverse Reactions .
Serious Reactions
- CNS depression
- impaired mental alertness, next-day
- hallucinations
- cataplexy-like symptoms risk
- sleep paralysis
- complex sleep-related behavior
- depression exacerbation
- suicidal ideation
- abuse potential
Common Reactions
- somnolence
- fatigue
- headache
- abnormal dreams
Safety/Monitoring .
Monitoring Parameters
no routine tests recommended
Pregnancy/Lactation .
Pregnancy
Clinical Summary
weigh risk/benefit during pregnancy; no human data available; no known risk of fetal harm based on animal data at 23x MRHD, though risk of teratogenicity and embryo-fetal death at >139x MRHD
Pregnancy Registry
encourage patients to enroll in National Pregnancy Registry for Psychiatric Medications at 1-866-961-2388 or www.womensmentalhealth.org/pregnancyregistry
Lactation
Clinical Summary
weigh risk/benefit while breastfeeding; no human data available to assess risk of infant harm, though drug excreted into milk; no human data available to assess effects on milk production
Formulary .
No Formulary Selected
Manufacturer/Pricing .
Manufacturer: Eisai Inc.
DEA/FDA: Schedule IV
Retail Price
Estimated prices only. For current pricing, visit GoodRx.
oral tablet:
- 5 mg (30 ea): $310.00
- 10 mg (30 ea): $310.00
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