Important: This page is general information, not medical advice. It does not recommend or prescribe any treatment. Always consult your doctor or pharmacist before starting, stopping or changing any medicine.
Quick facts
- How it is given
- oral
- Type
- human otc drug
- Brand names
- Antacid Ultra Strength
- RxNorm ID
- 308892
We do not publish dosing. How much of this medicine to take, how often, and for how long depends on your age, weight, kidney and liver function, other conditions and other medicines. That is a decision for the person who prescribes or dispenses it. Follow the directions on your own pack and ask your pharmacist if anything is unclear.
What it is used to treat
Uses relieves: heartburn acid indigestion sour stomach upset stomach associated with these symptoms
Warnings
Warnings Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs. When using this product do not take more than 7 tablets in 24 hours If pregnant do not take more than 5 tablets in 24 hours do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor.
Active ingredient
Active ingredient (per tablet) Calcium Carbonate USP 1000mg
Other ingredients
Inactive ingredients adipic acid, dextrose, FD&C Blue No. 1, FD&C Red No. 40, flavors, magnesium stearate, maltodextrin, , starch, sucralose, Questions or comments? 1-866-467-2748 SAFETY SEALED: DO NOT USE IF PRINTED SEAL UNDER CAP IS TORN OR MISSING
Before you take anything new
Tell your pharmacist or doctor about every medicine you take — including ones bought without a prescription, herbal products and supplements. Interactions are one of the most common avoidable causes of harm from medicines, and a pharmacist can check your full list in a couple of minutes.
This page is built from the openFDA record of the U.S. Food and Drug Administration's approved labelling for this product, effective 25 November 2025. Label text has been shortened and reformatted for readability; safety wording has not been altered in meaning. FDA labelling describes products approved in the United States — brand names, strengths, formulations and approved uses may differ in your country. Always read the leaflet that comes with your own pack. PocketsInfo is not affiliated with, and is not endorsed by, the FDA. Retrieved 2026-07-30.