Calcium Carbonate
Tums Dual Action is a combination antacid and acid reducer that provides both immediate and long-lasting relief from heartburn, acid indigestion, sour stomach, and upset stomach. It contains two active ingredients: calcium carbonate for fast neutralization of stomach acid and famotidine to reduce acid production over a longer period. This dual-action approach helps address both the symptoms and source of digestive discomfort.
Tums Dual Action is a combination antacid and acid reducer used for quick and lasting relief from heartburn and indigestion.
Key facts at a glance
- RxNorm
- 867494
- Generic
- Tums Dual Action
- 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.
Treats occasional heartburn, acid indigestion, sour stomach, and upset stomach associated with these conditions.
Contains two active ingredients: calcium carbonate neutralizes excess stomach acid immediately, while famotidine (an H2 blocker) decreases acid production for longer-lasting relief.
Not intended for regular daily use without consulting a healthcare provider. Do not use if you have kidney disease, are on a low-calcium diet, or are taking prescription acid reducers. Stop use and consult a doctor if symptoms persist for more than 14 days.
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 25, 2026. · Read our editorial policy