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Belsomra (suvorexant)

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  • Belsomra (suvorexant)

    Hello,
    I was given 7 days of samples of Belsomra (suvorexant from my doctor for insomnia, which has been causing me to become very anxious at night. I realized that I forgot to mention to my doctor that I'm still nursing. This seems to be a new drug so there isn't much information on breastfeeding with it. I am wondering if it is safe to take. For more info - my son is 8 months old and typically sleeps 8pm to 7am and rarely nurses overnight, so I'm not sure if that makes a difference.
    Thanks for any assistance.

  • #2
    erry863,

    Belsomra (suvorexant) is rated an L3-no data-probably compatible. It peaks at 2 hours and the half-life is 12 hours. "At this time, it is unknown if suvorexant will enter human milk, the manufacturer reports it enters rodent milk at levels about 9 times greater than maternal plasma. Until human data is available, we recommend the use of other sleep agents with more safety data in lactation such as lorazepam, oxazepam or zopiclone." (Medications and Mothers' Milk database, Thomas Hale PhD.)

    Sandra Lovato R.N.
    Infant Risk Center
    806-352-2519

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