Generic name: daridorexant [ dar-i-doe-REX-ant ]
Drug class: Miscellaneous anxiolytics, sedatives and hypnotics
Medically reviewed by Drugs.com. Last updated on Jun 24, 2023.
Uses for daridorexant
Daridorexant is used to treat insomnia (sleeping problem). It belongs to the group of medicines called central nervous system (CNS) depressants. These medicines will slow down the nervous system. Daridorexant will help you get to sleep faster and sleep throughout the night.
This medicine is available only with your doctor's prescription.
Before using daridorexant
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of daridorexant in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of daridorexant in the elderly. However, elderly patients are more likely to have sleepiness, drowsiness, and falls, which may require caution in patients receiving this medicine.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Aripiprazole Lauroxil
- Calcium Oxybate
- Chloral Hydrate
- Gabapentin Enacarbil
- Magnesium Oxybate
- Methylene Blue
- Morphine Sulfate Liposome
- Nitrous Oxide
- Opium Alkaloids
- Potassium Oxybate
- Schisandra sphenanthera
- Sodium Oxybate
- St John's Wort
- Telotristat Ethyl
- Tolonium Chloride
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following is usually not recommended, but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.
- Grapefruit Juice
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Alcohol abuse, history of or
- Drug abuse or dependence, history of—Use with caution. May cause side effects to become worse.
- Breathing or lung problems (eg, COPD, sleep apnea) or
- Cataplexy (sudden onset of muscle weakness), history of or
- Depression, history of or
- Mental illness, history of—Use with caution. May make these conditions worse.
- Kidney disease, severe or
- Liver disease, mild or moderate—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
- Liver disease, severe—Use is not recommended in patients with this condition.
- Narcolepsy (uncontrollable desire for sleep or a sudden attack of deep sleep)—Should not be used in patients with this condition.
Proper use of daridorexant
Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. If too much of this medicine is taken for a long time, it may become habit-forming and cause mental or physical dependence.
This medicine should come with a Medication Guide. Read and follow the instructions carefully. Ask your doctor if you have any questions.
Daridorexant should not be taken with food or right after a meal. It will work faster if you take it on an empty stomach. However, if your doctor tells you to take the medicine a certain way, take it exactly as directed.
Do not take this medicine when your schedule does not permit you to get a full night's sleep (at least 7 hours). If you must wake up before this, you may continue to feel drowsy and may experience memory problems, because the effects of the medicine have not had time to wear off.
Use this medicine only when you cannot sleep. You do not need to keep a regular schedule for taking it.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
- For insomnia:
- Adults—25 to 50 milligrams (mg) once a day, taken within 30 minutes before bedtime.
- Children—Use and dose must be determined by your doctor.
- For insomnia:
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions while using daridorexant
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects.
If your condition does not improve or if they get worse within 7 to 10 days. Tell your doctor right away. Insomnia that lasts longer than this may be a sign of another medical problem.
This medicine may be habit-forming. If you feel that the medicine is not working as well, do not use more than your prescribed dose. Call your doctor for instructions.
This medicine will add to the effects of alcohol and other CNS depressants (medicines that can make you drowsy or less alert). Some examples of CNS depressants are antihistamines or medicine for allergies or colds, sedatives, tranquilizers, or sleeping medicine, other prescription pain medicine or narcotics, medicine for seizures or barbiturates, muscle relaxants, or anesthetics, including some dental anesthetics. Check with your doctor before taking any of these medicines while you are using this medicine.
This medicine may cause some people, especially older persons, to become drowsy, dizzy, or less alert than they are normally, which may lead to falls, fractures, or other injuries. Even though daridorexant is taken at bedtime, it may cause some people to feel drowsy or less alert on arising. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
Tell your doctor right away if you start to feel depressed or any unusual thoughts or behaviors that trouble you (including suicidal thoughts), especially if they are new or get worse quickly.
This medicine may cause you to do things while you are still asleep that you may not remember the next morning. You could drive a car, sleepwalk, have sex, make phone calls, or prepare and eat food while you are asleep or not fully awake. Tell your doctor right away if any of these things occur.
This medicine may cause sleep paralysis (temporary inability to move or talk for up to several minutes while you are going to sleep or wake up) or have cataplexy-like symptoms (temporary weakness in your legs). Tell your doctor right away if you have these symptoms while you are using this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Side Effects of daridorexant
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
- Relaxed and calm
- unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
- unusually deep sleep
- unusually long duration of sleep
Incidence not known
- Changes in behavior
- feeling sad or empty
- hives, itching, skin rash
- lack of appetite
- large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- loss of interest or pleasure
- seeing, hearing, or feeling things that are not there
- thoughts of killing oneself
- trouble concentrating
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
- feeling of constant movement of self or surroundings
- sensation of spinning
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Frequently asked questions
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- Drug class: miscellaneous anxiolytics, sedatives and hypnotics
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