Calcium Carbonate / Potassium Bicarbonate / Sodium Bicarbonate
This combination medication is a multi-ingredient antacid formulation that helps neutralize stomach acid and provides relief from digestive discomfort. It is commonly used to treat symptoms such as heartburn, acid indigestion, and upset stomach. The effervescent form allows for faster action compared to traditional antacids.
A combination antacid used to neutralize stomach acid and relieve heartburn and indigestion symptoms.
Key facts at a glance
- RxNorm
- 1538287
- Generic
- Calcium Carbonate / Potassium Bicarbonate / Sodium Bicarbonate
- 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.
Relief of occasional heartburn, acid indigestion, sour stomach, and upset stomach associated with these conditions. May also be used as a calcium supplement in some formulations.
The active ingredients work by neutralizing excess stomach acid (hydrochloric acid). Calcium carbonate acts as a fast-acting antacid, while the bicarbonate compounds help maintain acid-base balance and can produce an effervescent effect for improved absorption.
May interact with certain medications including tetracycline antibiotics, iron supplements, and thyroid medications—take doses at least 2 hours apart. Patients with kidney disease, hypercalcemia, or on sodium-restricted diets should consult a healthcare provider before use. Prolonged use should be avoided 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.
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