Lumryz (sodium oxybate): Patient Guide for Narcolepsy
Lumryz is a prescription extended-release medicine containing sodium oxybate. It is used once nightly to treat excessive daytime sleepiness, cataplexy, and disrupted nighttime sleep in people with narcolepsy.
Lumryz can improve several narcolepsy symptoms, but it can cause serious drowsiness and breathing problems. Take it exactly as prescribed, never combine it with alcohol or other sedatives, and ask your doctor or pharmacist before making any changes.
Key facts at a glance
- RxNorm
- 2636823
- Generic
- Lumryz
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy