Calcium Carbonate
Active ingredient · 2 therapeutic classes
Sold as Extra Strength · Mylanta Classic · Supreme Antacid · Soothe childrens · ANTACID
- Drug class
- Calcium Compounds
- Availability
- Over-the-counter
- Routes
- Auricular (Otic), Oral
- Markets covered
- 3
- Products on record
- 134
- FDA reports (12 mo)
- 4,504
Overview
Plain-language summary, compiled from the cited regulatory records
Calcium Carbonate is a medication classified as a calcium compound [1]. It is approved for the temporary relief of common pain or itching associated with swimmer's ear, clogged ears, and ear pain or itching from other earaches, provided a physician has diagnosed the condition [1].
This active ingredient is available under various brand names, including ANTACID, Extra Strength, and Topcare Antacid Calcium [1]. In the past 12 months, there have been 4504 adverse event reports associated with Calcium Carbonate [2]. The most frequently reported reactions include off-label use, vomiting, fatigue, the drug being ineffective, and nausea [2].
This is not medical advice. Consult a qualified healthcare professional.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| US United States | FDA | 70 | May 14, 2026 |
| GB United Kingdom | MHRA | 62 | May 22, 2026 |
| CA Canada | Health Canada | 2 | March 22, 2025 |
USUnited States· FDA
70 products
Uses
Uses* Temporarily relieves: ■ common pain or itching from swimmer’s ear ■ clogged ears ■ ear pain or itching from other earaches, after diagnosis by a physician
How to take
GBUnited Kingdom· MHRA
62 products
Uses
Treatment of acid related symptoms of gastro-oesophageal reflux such as acid regurgitation, heartburn and indigestion, for example following meals or during pregnancy.
How to take
CACanada· Health Canada
2 products
2 products on record with this regulator. Detailed label text (uses, dosage, side effects) is being ingested — the original document is linked under Sources [3].
Drug interactions
Known interactions involving Calcium Carbonate. Select one for details. This list is informational and not a complete interaction checker.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]FDA DailyMed · 017ed754-9fe8-2c… · revised May 14, 2026 [PDF]
- [2]MHRA (UK) · PL000630608 · revised December 20, 2024
- [3]Health Canada (DPD) · 02237315 · revised March 22, 2025
- [4]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.