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Didecyldimethylammonium Bromide

Published: July 26, 2026Updated: August 25, 2026

Didecyldimethylammonium bromide is a quaternary ammonium compound primarily used as a broad-spectrum antiseptic and disinfectant agent. It is effective against bacteria, fungi, and certain viruses on surfaces and skin.

Quick summary

A topical antiseptic/disinfectant quaternary ammonium compound used for surface and skin decontamination.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

RxNorm
2469250
Generic
Didecyldimethylammonium Bromide
Class
pin-variant
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.

Surface disinfection and antisepsis; not typically used as a systemic medication for specific disease treatment.

Disrupts microbial cell membranes through cationic binding to phospholipids, causing loss of membrane integrity and cellular contents.

For external use only; avoid contact with eyes and mucous membranes; not for internal use; may be inactivated by organic matter; caution in individuals with known quaternary ammonium compound sensitivity.

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.

Medical Disclaimer

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 25, 2026. · Read our editorial policy