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Daridorexant: uses, dosing, side effects & brands

Daridorexant is a medicine sold in the U.S. under one brand, for sleep initiation and maintenance disorders. Below: what the FDA label says, every product that contains it, what the pills look like, and its recall record.

By the pharmaranks editorial teamReviewed against the FDA (openFDA label, NDC Directory & Enforcement) sourcesUpdated Jul 24, 2026How we research

Key facts

Treats
Sleep Initiation and Maintenance Disorders
Available as
Tablet
Sold as
Quviviq
Prescription?
Prescription only
Generic available?
Not in our catalog

How daridorexant is dosed

From the FDA label for Quviviq (application NDA214985). Other daridorexant products — different forms, different strengths — are dosed differently. Follow the label for the one you were prescribed.

The recommended dosage is 25 mg to 50 mg once per night, taken orally within 30 minutes before going to bed, with at least 7 hours remaining prior to planned awakening. ( 2.1 ) Time to sleep onset may be delayed if taken with or soon after a meal. ( 2.1 ) Hepatic Impairment: ( 2.3 ) Moderate hepatic impairment: Maximum recommended dosage is 25 mg no more than once per night. Severe hepatic impairment: Not recommended. 2.1 Recommended Dosage The recommended dosage range is 25 mg to 50 mg of QUVIVIQ taken orally no more than once per night within 30 minutes of going to bed (with at least 7 hours remaining prior to planned awakening). Time to sleep onset may be delayed if taken with or soon after a meal [see Clinical Pharmacology (12.3) ] . 2.2 Dosage Recommendations for Concomitant Use with CYP3A4 Inhibitors or CYP3A4 Inducers Co-administration with Strong CYP3A4 Inhibitors Avoid concomitant use of QUVIVIQ with strong inhibitors of CYP3A4 [see Drug Interactions (7.1) , Clinical Pharmacology (12.3) ] . Co-administration with Moderate CYP3A4 Inhibitors The recommended dosage of QUVIVIQ is 25 mg no more than once per night when used with moderate inhibitors of CYP3A4 [see Drug Interactions (7.1) , Clinical Pharmacology (12.3) ] . Co-administration with Strong or Moderate CYP3A4 Inducers Avoid concomitant use of QUVIVIQ with strong or moderate CYP3A4 inducers [see Drug Interactions…

Daridorexant side effects

The following are discussed in detail in other sections of the labeling: CNS-Depressant Effects and Daytime Impairment [see Warnings and Precautions (5.1) ] Worsening of Depression/Suicidal Ideation [see Warnings and Precautions (5.2) ] Sleep Paralysis, Hypnagogic/Hypnopompic Hallucinations, and Cataplexy-like Symptoms [see Warnings and Precautions (5.3) ] Complex Sleep Behaviors [see Warnings and Precautions (5.4) ] Patients with Compromised Respiratory Function [see Warnings and Precautions (5.5) ] The most common adverse reactions (reported in ≥ 5% of patients treated with QUVIVIQ and at an incidence ≥ than placebo) were headache and somnolence or fatigue. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Idorsia Pharmaceuticals Ltd at toll-free phone 1-833-400-9611 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of a drug cannot be directly compared to rates in clinical trials of another drug and may not reflect the rates observed in practice. The safety of QUVIVIQ was evaluated in three placebo-controlled clinical studies (two 3-month studies of identical design [Study 1 and Study 2], and a 9-month extension study [Study 3]). Study 1 evaluated 50 mg and 25 mg doses of QUVIVIQ, while Study 2 evaluated a 25 mg dose…

Who shouldn’t take daridorexant

QUVIVIQ is contraindicated: in patients with narcolepsy. in patients with a history of hypersensitivity to daridorexant or any components of QUVIVIQ. Angioedema with pharyngeal involvement has been reported [see Adverse Reactions (6.2) ] . Narcolepsy. ( 4 ) Known hypersensitivity to daridorexant or other components of QUVIVIQ. ( 4 )

Daridorexant drug interactions

Strong CYP3A4 inhibitors: Avoid concomitant use. ( 2.2 , 7.1 ) Moderate CYP3A4 inhibitors: Maximum recommended dose is 25 mg. ( 2.2 , 7.1 ) Moderate or Strong CYP3A4 inducers: Avoid concomitant use. ( 7.1 ) 7.1 Effects of Other Drugs on QUVIVIQ Table 2 describes clinically significant drug interactions where the concomitant use of other drugs affects QUVIVIQ. Table 2 Effects of Other Drugs on QUVIVIQ Strong or Moderate CYP3A4 Inhibitors Clinical Implications: Concomitant use with a strong or moderate CYP3A4 inhibitor increases exposure to daridorexant [see Clinical Pharmacology (12.3) ] , which may increase the risk of QUVIVIQ adverse reactions. Prevention or Management: The recommended dose of QUVIVIQ is 25 mg when used with a moderate CYP3A4 inhibitor [see Dosage and Administration (2.2) ] . Concomitant use of QUVIVIQ with a strong inhibitor of CYP3A4 is not recommended [see Dosage and Administration (2.2) ] . Strong and Moderate CYP3A4 Inducers Clinical Implications: Concomitant use with a strong or moderate CYP3A4 inducer decreases exposure to daridorexant [see Clinical Pharmacology (12.3) ] , which may reduce the efficacy of QUVIVIQ. Prevention or Management: Concomitant use of QUVIVIQ with a strong or moderate inducer of CYP3A4 is not recommended [see Dosage and Administration (2.2) ] . Alcohol and Other CNS Depressants Clinical Implications: Concomitant use of alcohol or other CNS depressants with QUVIVIQ may lead to additive impairment of psychomotor performance and risk of CNS depression [see Clinical Pharmacology (12.2) ] . Prevention or Management: Avoid alcohol consumption with QUVIVIQ [see Warnings and Precautions (5.1) ] . Use with caution in patients receiving CNS depressants. Consider dose adjustment of QUVIVIQ and/or the CNS depressant(s) if used concomitantly [see Warnings and Precautions (5.1) ] . 7.2 Effects of QUVIVIQ on Other Drugs Table 3 describes clinically significant drug interactions where the concomitant use of QUVIVIQ affects other drugs. Table 3 Effects of QUVIVIQ on Other Drugs CYP3A4 Substrates Clinical Implications: Concomitant use of QUVIVIQ with CYP3A4 substrates increases the exposure to CYP3A4 substrate [see Clinical Pharmacology (12.3) ] . Prevention or Management: Use with caution in patients receiving CYP3A4 substrates with narrow therapeutic index. P-gp Substrates Clinical Implications: Concomitant use of QUVIVIQ with P-gp substrates increases the exposure to P-gp substrate [see Clinical Pharmacology (12.3) ] . Prevention or Management: Use with caution in patients receiving P-gp substrates with a narrow therapeutic index.

Every daridorexant product we track (1)

Same active ingredient — different manufacturer, form, price and FDA recall record. That last one is what our independent score measures.

Only one: Quviviq.

What people report to the FDA about daridorexant

The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 13 reports naming daridorexant, and the FDA flagged 100% of those reports as serious. The effects reported most often — leaving out reports about overdose, misuse or the condition being treated, which dominate the raw list for common medicines:

  • hepatitis acute6 reports
  • dyskinesia4 reports
  • endodontic procedure1 reports
  • hallucination, visual1 reports
  • hepatic cytolysis1 reports
  • post procedural infection1 reports
  • tooth abscess1 reports
  • toothache1 reports

Read these as a signal, not a rate. A report does not mean daridorexant caused the effect — anyone can file one, and many describe people taking several medicines for several conditions. Crucially there is no denominator: FAERS does not record how many people took the drug, so these counts cannot be turned into “X% of patients” — a bigger number often just means a more widely used or more talked-about drug. Duplicates exist, and publicity drives reporting. For what is actually established, read the FDA label section above.

Source: openFDA drug/event (FAERS), retrieved July 25, 2026.

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Frequently asked questions

What is daridorexant?

QUVIVIQ contains daridorexant, an orexin receptor antagonist, present as daridorexant hydrochloride salt.

Can you take daridorexant with other medicines?

It depends on the medicine. We check it against the FDA labels rather than guessing: our interaction checker searches each drug's own label for the other and quotes what it says, naming the section it came from. Run daridorexant against whatever else you take — and remember that a label not naming a drug is not the same as that combination being safe.

What forms does daridorexant come in?

Across the brands we track, daridorexant is currently marketed as tablet, per the FDA's National Drug Code Directory. Each form is dosed differently — follow the label for the exact product you were prescribed.

Is there a generic daridorexant?

We do not currently list a generic-labelled daridorexant product. That does not always mean none exists — it means none appears under a generic name in the FDA data we track. Ask your pharmacist.

Cite this page
APA
pharmaranks. (2026, July 24). Daridorexant: uses, dosing, side effects & brands. https://pharmaranks.com/drugs/daridorexant
MLA
“Daridorexant: uses, dosing, side effects & brands.” pharmaranks, 24 July 2026, https://pharmaranks.com/drugs/daridorexant.

We summarise public FDA and NIH sources — for a clinical claim, cite the primary source we link to as well.

Sources: FDA openFDA drug label, National Drug Code Directory, and Enforcement (recall) database. This page reproduces public FDA data and is not medical advice. Dosing is set by your prescriber.

Read the full FDA label for daridorexant on DailyMed (NIH) ↗.