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Tums (calcium carbonate)

Generic (multiple manufacturers) · FDA-approved approved Inorganic salt ✓ Verified May 2026 Quality 24/100

Tums (generic name: calcium carbonate) is a Antacid, Calcium supplement Inorganic salt drug developed by Generic (multiple manufacturers). It is currently FDA-approved (first approved 1930) for Heartburn Prevention, Hypocalcemia, Indigestion. Also known as: Tums, Caltrate, Os-Cal.

Tums is a small molecule medication that contains calcium carbonate, a common substance found in rocks and used in agriculture. It is used to treat conditions such as heartburn, as evidenced by a Phase II clinical trial (NCT01037452) that assessed its efficacy in relieving meal-induced heartburn.

At a glance

Generic namecalcium carbonate
Also known asTums, Caltrate, Os-Cal
SponsorGeneric (multiple manufacturers)
Drug classAntacid, Calcium supplement
TargetGastric acid (direct neutralization)
ModalityInorganic salt
Therapeutic areaCardiovascular
PhaseFDA-approved
First approval1930-01-01 (United States)

Approved indications

Common side effects

No common side effects on file.

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
FDA labelMechanism, indications, dosing, boxed warnings, drug interactions
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

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Frequently asked questions about Tums

What is Tums?

Tums (calcium carbonate) is a Antacid, Calcium supplement drug developed by Generic (multiple manufacturers), indicated for Heartburn Prevention, Hypocalcemia, Indigestion.

What is Tums used for?

Tums is indicated for Heartburn Prevention, Hypocalcemia, Indigestion.

Who makes Tums?

Tums is developed and marketed by Generic (multiple manufacturers) (see full Generic (multiple manufacturers) pipeline at /company/unknown).

What is the generic name of Tums?

calcium carbonate is the generic (nonproprietary) name of Tums.

Is Tums also known as anything else?

Tums is also known as Tums, Caltrate, Os-Cal.

What drug class is Tums in?

Tums belongs to the Antacid, Calcium supplement class. See all Antacid, Calcium supplement drugs at /class/antacid-calcium-supplement.

When was Tums approved?

Tums was first approved on 1930-01-01 in United States.

What development phase is Tums in?

Tums is FDA-approved (marketed).

What does Tums target?

Tums targets Gastric acid (direct neutralization) and is a Antacid, Calcium supplement.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing