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Kybella is an injectable prescription medication containing deoxycholic acid that is FDA-approved to reduce moderate to severe fat beneath the chin, commonly known as a double chin. It is indicated for adults with unwanted submental fullness who prefer a non-surgical approach to chin contouring. The treatment involves multiple injections per session administered by a qualified healthcare provider.
Kybella is an injectable medication that permanently destroys fat cells under the chin to reduce the appearance of a double chin.
Key facts at a glance
- RxNorm
- 1649976
- Generic
- Kybella
- 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.
Kybella is FDA-approved for the treatment of moderate to severe submental fat (fat under the chin/double chin) in adults. It is used for cosmetic contouring of the chin and neck area when diet and exercise have not adequately addressed submental fullness.
Kybella contains deoxycholic acid, a naturally occurring molecule in the body that helps break down and absorb dietary fat. When injected into the submental fat, it destroys fat cell membranes, causing the fat cells to be permanently eliminated. The body then gradually clears these destroyed fat cells over several weeks.
Kybella is administered as a series of injections (typically 2-6 treatment sessions spaced at least one month apart). Common side effects include swelling, bruising, pain, and numbness at the injection site. It should only be administered by trained healthcare professionals, as improper injection can cause serious adverse effects including nerve injury. Patients should have realistic expectations about results, which develop gradually over several weeks to months.
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