Skip to content

Benzocaine / Magnesium Sulfate

Published: July 27, 2026Updated: August 28, 2026

Benzocaine/Magnesium Sulfate is a combination medication used primarily for gastrointestinal purposes, where the local anesthetic benzocaine provides numbing relief while magnesium sulfate acts as an osmotic laxative to help clear the bowels. This combination may be used in preparation for certain medical procedures or to relieve discomfort associated with constipation or bowel movements. The specific indications and formulations may vary by manufacturer and country.

Quick summary

A combination medication pairing a local anesthetic with a laxative for gastrointestinal preparation or relief.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 28, 2026Editorial policy

Key facts at a glance

RxNorm
1008568
Generic
Benzocaine / Magnesium Sulfate
Class
multi-ingredient
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.

May be used for bowel preparation before diagnostic procedures, relief of occasional constipation, or temporary relief of rectal discomfort. Specific approved uses depend on the formulation and prescribing guidelines in your region.

Benzocaine works as a topical anesthetic by blocking nerve signals in the applied area, providing numbing relief. Magnesium sulfate acts as an osmotic laxative, drawing water into the intestines to soften stool and promote bowel movements.

Consult a healthcare provider before use, especially if you have kidney problems, heart conditions, or are taking other medications. Avoid use during pregnancy unless specifically prescribed. Do not use for extended periods without medical supervision. 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.

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 28, 2026. · Read our editorial policy