Benzocaine
Sonacaine is a brand-name local anesthetic containing lidocaine that provides temporary numbness and pain relief by blocking nerve signals in the affected area. It is commonly used in medical and surgical settings to induce local anesthesia during minor procedures or to relieve pain and itching of the skin.
Sonacaine is a topical/injectable local anesthetic brand used to numb areas of the body for procedures or pain relief.
Key facts at a glance
- RxNorm
- 1291673
- Generic
- Sonacaine
- 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.
Sonacaine is used to produce local anesthesia for minor surgical and dental procedures, as well as to relieve pain, burning, and itching associated with minor skin conditions, insect bites, or sunburn.
As a local anesthetic of the amide type, Sonacaine works by blocking sodium channels in nerve fibers, preventing the generation and conduction of nerve impulses that transmit pain signals, thereby creating a temporary loss of sensation in the treated area.
This medication should only be used as directed by a healthcare professional. Avoid applying to large areas of broken skin or using excessive amounts, as this may lead to systemic absorption and potential adverse effects. Patients with certain heart conditions, liver disease, or allergies to amide-type anesthetics should inform their provider before use.
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 9, 2026. · Read our editorial policy