Cetrimonium Bromide
Cetrimonium Bromide is a quaternary ammonium compound with antiseptic and antimicrobial properties. It is primarily used as a topical antiseptic for skin disinfection and as a preservative in ophthalmic solutions and other pharmaceutical formulations to prevent microbial contamination.
Cetrimonium Bromide is an antiseptic and preservative compound used for skin disinfection and in eye drops and other medications.
Key facts at a glance
- RxNorm
- 288999
- Generic
- Cetrimonium 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.
Used as a topical antiseptic for cleansing skin wounds and as a preservative component in ophthalmic solutions, nasal sprays, and other pharmaceutical preparations to inhibit bacterial and fungal growth.
Functions as a cationic surfactant that disrupts microbial cell membranes, leading to cell death. Its positive charge interacts with the negatively charged bacterial cell wall, causing permeability changes and eventual lysis.
For topical use only; avoid contact with eyes unless in formulated eye drop products. Should not be ingested. May cause skin irritation in sensitive individuals. Should not be used on deep wounds or body cavities. Keep out of reach of children.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
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