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  • Generic Name: (suvorexant)
    Other Brands: N/A
  • Last Revised: 07/2016
    • What is this medication and its most common uses?

      Belsomra is a medicine for adults who have trouble falling or staying asleep (insomnia).

      Belsomra is a federally controlled substance because it has abuse potential.

    • What should I know when beginning and continuing on this medication?

      How does this medication work?

      Belsomra targets and blocks the action of orexin (a central promoter of wakefulness in the brain). By blocking the action of orexin, Belsomra is thought to quiet the wake pathway.

      What are the beneficial effects of this medication and when should I begin to have results?

      What: In studies, people fell asleep faster and stayed asleep longer when using Belsomra compared to people not taking Belsomra.

      When: Everyone responds differently to treatment, so try to be patient and follow your healthcare provider's instructions. It is important that you take Belsomra exactly as your healthcare provider has prescribed.

      How do I know it is working?

      If you are able to fall asleep faster than you normally would and do not wake up as often during the night, Belsomra is likely working effectively. Your healthcare provider may ask you questions from time to time to assess your sleep pattern.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      More common side effects may include: drowsiness.

      Less common side effects may include:

      Abnormal thoughts and behaviors, with symptoms such as memory loss, anxiety, more outgoing or aggressive behavior than normal, confusion, agitation, hallucinations, worsening of depression, and suicidal thoughts or actions. Belsomra may also cause serious side effects that you may not know are happening to you, such as sleep-driving (driving a car while not fully awake) or doing other activities when you are asleep (such as eating, talking, or having sex).

      Temporary inability to move or talk (sleep paralysis) for up to several minutes while you are going to sleep or waking up.

      Temporary weakness in your legs that can happen during the day or at night.

      Belsomra may also cause sleepiness during the day.

    • Who should not take this medication?

      Do not take Belsomra if you are allergic to it or any of its ingredients.

      Do not take Belsomra if you have narcolepsy (fall asleep often at unexpected times).

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Belsomra. Also, talk to your healthcare provider about your complete medical history, especially if you have lung or breathing problems, liver problems, or a history of depression, mental illness, suicidal thoughts, drug or alcohol abuse or addiction, a sudden onset of muscle weakness, or narcolepsy or daytime sleepiness; or if you are pregnant, breastfeeding, or planning to become pregnant.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Adults: The recommended dose is 10 milligrams once per night. Your healthcare provider may increase your dose as needed, until the desired effect is achieved.

      If you are taking certain other medicines, your healthcare provider may adjust your dose appropriately.

    • How should I take this medication?

      Take Belsomra exactly as prescribed by your healthcare provider. Do not change your dose without first talking to your healthcare provider.

      Only take Belsomra 1 time each night, if needed, within 30 minutes of going to bed.

      Only take Belsomra when you can get a full night's sleep (at least 7 hours).

      Do not take Belsomra if you drank alcohol that evening or before bed.

      Belsomra may be taken with your without a meal. However, Belsomra may take longer to work if you take it with or right after meals.

      Call your healthcare provider if your insomnia worsens or is not better within 7 to 10 days. This may mean that there is another condition causing your sleep problem.

    • What should I avoid while taking this medication?

      Do not drink alcohol while taking Belsomra. It can increase your chances of getting serious side effects.

      Do not drive, operate heavy machinery, do anything dangerous, or do other activities that require clear thinking after taking Belsomra.

      You may still feel drowsy the next day after taking Belsomra. Do not drive or do other dangerous activities until you feel fully awake.

    • What are the possible food and drug interactions associated with this medication?

      If Belsomra is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Belsomra may interact with numerous medications. Therefore, it is very important that you tell your healthcare provider about any other medications you are taking.

    • May I receive this medication if I am pregnant or breastfeeding?

      The effects of Belsomra during pregnancy and breastfeeding are unknown. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What should I do if I miss a dose of this medication?

      Belsomra should be taken under special circumstances determined by your healthcare provider. If you miss your scheduled dose, contact your healthcare provider or pharmacist for advice.

    • How should I store this medication?

      Store at room temperature.

      Store in the original package until use, to protect from light and moisture.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
      back to top Use your PDR® Pharmacy Discount Card when you or a family member fills a prescription and ask for your PDR® Discount every
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