Doxylamine
ZzzQuil Ultra is an over-the-counter sleep aid designed to help adults and adolescents aged 12 and older fall asleep faster during episodes of occasional sleeplessness. It contains an antihistamine ingredient that produces drowsiness as a side effect, helping users achieve restful sleep when needed.
ZzzQuil Ultra is a non-prescription sleep medication for occasional insomnia in adults and teens 12 and older.
Key facts at a glance
- RxNorm
- 2548535
- Generic
- Zzzquil Ultra
- 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.
Used for the temporary relief of occasional sleeplessness in adults and children 12 years and older when sleep is needed
Contains an antihistamine that produces drowsiness as a side effect by acting on sleep-inducing pathways in the brain, helping users fall asleep more easily
Should only be used when a full night's sleep (7-8 hours) is possible. Not intended for regular daily use; consult a healthcare provider if sleeplessness persists beyond 2 weeks. May cause next-day drowsiness and should not be taken with alcohol or combined with other sleep aids.
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 August 27, 2026. · Read our editorial policy