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Alginic Acid Calcium Carbonate Magnesium Carbonate

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

This combination medication contains alginic acid along with calcium and magnesium carbonates, working as an antacid combined with a reflux inhibitor. It is primarily used to treat heartburn, acid indigestion, and gastroesophageal reflux disease (GERD) symptoms. The alginate component forms a protective foam barrier in the stomach to prevent acid from flowing back into the esophagus.

Quick summary

A combination antacid and reflux suppressant used to relieve heartburn and GERD symptoms.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

RxNorm
1008573
Generic
Alginic Acid / Calcium Carbonate / Magnesium Carbonate
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.

Treats heartburn, acid reflux, gastroesophageal reflux disease (GERD), sour stomach, and symptoms of excess stomach acid such as indigestion and bloating.

The calcium and magnesium carbonates neutralize stomach acid for quick symptom relief, while alginic acid creates a protective foam barrier on top of stomach contents that helps prevent acid from flowing back up into the esophagus.

Should be taken after meals and at bedtime as directed. May interact with other medications by affecting their absorption. Patients with kidney problems, low calcium, or on restricted sodium diets should consult a healthcare provider before use. Not intended for prolonged daily use without medical supervision.

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 27, 2026. · Read our editorial policy