Generic Name: Belsomra Brand Name(s): Generics only. No brands available.


What is Belsomra® (suvorexant) used for?

Belsomra® is a sleep medicine that helps regulate your sleep and wake cycle.

Belsomra® is used to treat insomnia (trouble falling asleep or staying asleep). It may also be used for purposes not listed in this medication guide.

How should I take Belsomra® (suvorexant)?

Take Belsomra® exactly as prescribed by your doctor. Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Never use this medicine in larger amounts, or for longer than prescribed.

Belsomra® should be taken only once per night. Take this medicine at bedtime or within 30 minutes before you go to bed.

Belsomra® will make you fall asleep. Never take this medicine during your normal waking hours, unless you have at least 7 hours to dedicate to sleeping.

Avoid taking Belsomra® shortly after eating a meal. The medicine may not work as well during this time.

Some people using this medicine have engaged in activity such as driving, eating, or making phone calls and later having no memory of the activity. If this happens, stop taking Belsomra® and talk with your doctor about another treatment for your sleep disorder.

It may take longer for you to wake up, speak, or move around the morning after taking this medicine. You may have hallucinations or feel like you are still dreaming for a several minutes after you wake up.

Call your doctor if your insomnia symptoms do not improve, or if they get worse after using Belsomra® for 7 to 10 nights in a row.

How do I store Belsomra® (suvorexant)?

Belsomra® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Belsomra® in the bathroom or the freezer. There may be different brands of Belsomra® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Belsomra® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Belsomra® (suvorexant)?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Belsomra® or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Belsomra® may be habit-forming. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using Belsomra® during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Belsomra®. Belsomra® is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Side effects

What side effects can occur from Belsomra® (suvorexant)?

Get emergency medical help if you have any of these signs of an allergic reaction to Belsomra®: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using Belsomra® and call your doctor at once if you have:

You may be more likely to have side effects if you are overweight.

Common side effects may include:

  • Daytime drowsiness, dizziness, weakness, feeling “drugged” or light-headed
  • Amnesia or forgetfulness
  • A weak feeling in your legs
  • Strange dreams

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with Belsomra® (suvorexant)?

Belsomra® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Products that may interact with this drug are:

  • Digoxin
  • Imatinib
  • Nefazodone
  • John’s wort
  • Verapamil
  • An antibiotic – ciprofloxacin, clarithromycin, rifampin, telithromycin
  • Antifungal medicine – itraconazole, ketoconazole, posaconazole, voriconazole
  • Hepatitis C medications – boceprevir, telaprevir
  • HIV/AIDS medication – atazanavir, cobicistat (Evotaz, Prezcobix, Stribild, Tybost), delavirdine, fosamprenavir, indinavir, nelfinavir, ritonavir, saquinavir
  • Seizure medication – carbamazepine, fosphenytoin, phenobarbital, phenytoin, primidone

Does food or alcohol interact with Belsomra® (suvorexant)?

Belsomra® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Belsomra® (suvorexant)?

Belsomra® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Health conditions that may interact with this drug are:


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Belsomra® (suvorexant).

What is the dose of Belsomra® (suvorexant) for an adult?

Usual Adult Dose for Insomnia:

10 mg orally once a day at bedtime.

Maximum dose: 20 mg once a day.

What is the dose of Belsomra® (suvorexant) for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is Belsomra® (suvorexant) available?

Belsomra® is available in the following dosage forms and strengths:

  • Tablet, film coated: suvorexant 5mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Belsomra®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

msBahasa Malaysia


Review Date: July 31, 2017 | Last Modified: September 2, 2017

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