Home NDC 73408-921 Thompson Antacid
Product NDC 73408-921
11-digit product format 734080921
Labeler code 73408
Product ID 73408-921_3e4be1e0-488f-3d2e-e063-6294a90a51fa
Type HUMAN OTC DRUG
Nonproprietary name calcium carbonate
Dosage form TABLET, CHEWABLE
Route ORAL
Labeler Thompson
Application M001
Marketing category OTC MONOGRAPH DRUG
Marketing start 2022-05-02
Substance CALCIUM CARBONATE
Active strength 420 mg/1
Pharmacologic classes Blood Coagulation Factor [EPC], Calcium [CS], Cations, Divalent [CS], Increased Coagulation Factor Activity [PE], Phosphate Binder [EPC], Phosphate Chelating Activity [MoA]
NDC exclude flag No
Listing certified through 2026-12-31
Current FDA listing Yes Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
Finished product Yes
Brand name base Thompson Antacid
Listing expiration 2026-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength CALCIUM CARBONATE 420 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination H0G9379FGK Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 313884 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
DailyMed Product Concepts# DailyMed Package Descriptions# Package NDC, Product, Description table Package NDC Product Description Form Quantity Strength SPL version 73408-921-33 Thompson Antacid 2 in 1 PACKET TABLET, CHEWABLE 2 7 73408-921-33 Thompson Antacid 50 in 1 BOX TABLET, CHEWABLE 50 7
DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 73408-921 THOMPSON ANTACID (CALCIUM CARBONATE) TABLET, CHEWABLE [THOMPSON] 6 Current NDC, Legacy NDC, 2 package rows 20240120_d9524a64-6f35-24a8-e053-2995a90a6ca3.zip
openFDA label cross-check# OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
Matched openFDA labels page 10 of 34 · 678 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Marketing end Sample Exclude flag Status 73408-921-33 73408092133 50 PACKET in 1 BOX (73408-921-33) / 2 TABLET, CHEWABLE in 1 PACKET 50 packet 2022-05-02 0000-00-00 No No Current