Mediclarum
Medicine guide

Cardinalextra Strength Antacid Wintergreen Flavor

750 mg · Tablet, Chewable

  • Available without prescription
  • Blood Coagulation Factor
Active substance
Calcium Carbonate
Made by
CARDINAL HEALTH

Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.

At a glance

Quoted from the official label · 2025-10-14

What it is

Antacid

Used for
  • Relieves heartburn sour stomach acid indigestion upset stomach associated with these symptoms
How to take it

Adults and children 12 years of age and over:: chew 2-4 tablets as symptoms occur, or as directed by a doctor. Do not swallow tablets whole.

Full directions ↓
Warning

Ask a doctor or pharmacist before use if you are presently taking a prescription drug.

All warnings ↓
Good to know
  • Sold without a prescription
  • FDA enforcement reports list no ongoing recall, and none from the last two years, for this product code · checked 2026-10-02
403other products contain Calcium Carbonate — compare makers, forms and strengths

Every line above is selected, not written, from the official label. Nothing is reworded. DailyMed

What it is for

  • relieves heartburn sour stomach acid indigestion upset stomach associated with these symptoms

From the official label · 2025-10-14 · DailyMed

How to take it

These directions are for this exact strength and form. Another one is different.

  • adults and children 12 years of age and over:
  • chew 2-4 tablets as symptoms occur, or as directed by a doctor. Do not swallow tablets whole.
  • do not take for symptoms that persist for more than 2 weeks unless advised by a doctor

Quoted from the official label, section “Dosage & Administration”.

Ask a pharmacist first if

you are presently taking a prescription drug. Antacids may interact with certain prescription drugs.

Quoted from the official label, section “OTC — Ask Doctor/Pharmacist”.

Other warnings

  • Ask a doctor or pharmacist before use if you are presently taking a prescription drug.
  • When using this product
  • do not take more than 10 tablets in 24 hours if pregnant
  • do not take more than 6 tablets in 24 hours
  • do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor
  • Keep out of reach of children.
  • do not take more than 10 tablets in 24 hours if pregnant
  • do not take more than 6 tablets in 24 hours
  • do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor

Quoted from the official label, section “Warnings”.

How to store it

  • each tablet contains :
  • calcium 300mg
  • store at room temperature. Keep the container tightly closed
  • DO NOT USE IF PRINTED SEAL UNDER CAP IS TORN OR MISSING

Quoted from the official label, section “Storage and Handling”.

What kind of medicine it is

Antacid

Quoted from the official label, section “OTC — Purpose”.

Other ingredients

Relevant if you react to a dye, a preservative, lactose or gluten.

D&C Yellow No. 10, dextrose, FD&C Blue No. 1, flavor, magnesium stearate, maltodextrin, starch, sucralose

Quoted from the official label, section “Inactive Ingredients”.

Questions about this product

1-866-467-2748

Quoted from the official label, section “OTC — Questions”.

Ingredients people check for

Lactose, gluten, dyes, sugars and other ingredients that matter with an allergy, intolerance or diet — as this product’s FDA label lists them.

  • Colour dyesD&C Yellow No. 10; FD&C Blue No. 1Some people react to dyes such as tartrazine (Yellow 5) or carmine.
  • SugarsdextroseRelevant to diabetes and dental health.

Quoted from the FDA label. A label that does not name an ingredient is not a guarantee that the product is free of it, and formulations change. With an allergy, check the pack and ask a pharmacist.

Every version of this medicine (170)

The same active substance, strength and kind of form, from every company that sells it — with what each label lists.

Hide versions whose label lists:

Showing 80 of 80 (the first 80 are listed)

Details

Made byCARDINAL HEALTH
Active substanceCalcium Carbonate
Used inDigestion, stomach, diabetes and nutrition
Strength750 mg
FormTablet, Chewable
RouteOral
Packs96 TABLET, CHEWABLE in 1 BOTTLE
NDC70000-0592

Source: NDC Directory · 2026-09-13 · not reviewed by a clinician

Source: US Food and Drug Administration, NDC Directory. Reuse terms: US government work (FDA).

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Same active substance

These contain the same substance. That does not mean one can replace another — ask a pharmacist.

Alka-Seltzer Cool Action Extra Strength Reliefchews Mint750 mgWithout prescriptionTablet, Chewable Bayer HealthCare LLC. · Calcium CarbonateAlka-Seltzer Cool Action Heartburn Relief Mint750 mgWithout prescriptionGum, Chewing Bayer HealthCare LLC. · Calcium CarbonateAlka-Seltzer Extra Strength Heartburn Reliefchews750 mgWithout prescriptionTablet, Chewable Bayer HealthCare LLC. · Calcium CarbonateAlka-Seltzer Heartburn Relief Peppermint750 mgWithout prescriptionGum, Chewing Bayer HealthCare LLC. · Calcium CarbonateAlka-Seltzer Heartburn Reliefchews750 mgWithout prescriptionTablet, Chewable Bayer HealthCare LLC. · Calcium CarbonateAlka-Seltzer Heartburn Reliefchews Strawberry and Orange750 mgWithout prescriptionTablet, Chewable Bayer HealthCare LLC. · Calcium Carbonate

See every product with Calcium Carbonate