Pharmacist's Verdict
Tums is a reliable and fast-acting over-the-counter antacid that works well for quick relief of occasional heartburn and indigestion, but it's not meant for daily or long-term use.
Ingredient Analysis
CALCIUM CARBONATE
Pros & Cons
Pros
- Provides very fast relief for occasional heartburn and upset stomach by neutralizing stomach acid.
- Widely available and generally affordable, making it an accessible option for many.
- Can be used by pregnant individuals, but always follow the doctor's advice on dosage and duration.
- The active ingredient, calcium carbonate, also provides a small amount of dietary calcium.
Cons
- Only offers temporary relief and does not address the underlying cause of frequent heartburn.
- Can cause constipation in some people, especially with higher doses.
- Interacts with many common prescription drugs, including certain antibiotics, thyroid hormones, and iron supplements, reducing their absorption.
- Taking too much (more than 6 tablets in 24 hours) or using it for more than two weeks can lead to too much calcium in the body, which can be harmful.
Safety Information
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 6 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.
Is Tums safe for you?
See pregnancy, interactions, and common concerns answered in our pharmacist safety FAQ.
Read safety review →References
- 1.FDA Drug Label — EMF Protect and Balance
FDA DailyMed: EMF Protect and Balance · FDA
- 2.FDA Drug Label — Tums Chewy Bites Orange and Cream ES
FDA DailyMed: Tums Chewy Bites Orange and Cream ES · FDA
- 3.Ocean acidification: the other CO2 problem.
Doney SC, Fabry VJ, Feely RA, et al., Annual review of marine science, 2009 · PubMed
- 4.Hypoparathyroidism.
Gafni RI, Collins MT, The New England journal of medicine, 2019 · PubMed
- 5.A review of biomineralization in healing concrete: Mechanism, biodiversity, and application.
Zhang J, Deng J, He Y, et al., The Science of the total environment, 2024 · PubMed
- 6.Calcium Carbonate.
Al Omari MM, Rashid IS, Qinna NA, et al., Profiles of drug substances, excipients, and related methodology, 2016 · PubMed
