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Thompson Antacid

NDC 73408-921 · Thompson

Generic namecalcium carbonate
Dosage formTABLET, CHEWABLE
RouteORAL
Active ingredient(s)CALCIUM CARBONATE
Strength420 mg/1
Pharmacologic classBlood Coagulation Factor [EPC], Calcium [CS], Cations, Divalent [CS], Increased Coagulation Factor Activity [PE], Phosphate Binder [EPC], Phosphate Chelating Activity [MoA]
Marketing categoryOTC MONOGRAPH DRUG

Packages

73408-921-33 — 50 PACKET in 1 BOX (73408-921-33) / 2 TABLET, CHEWABLE in 1 PACKET

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

72427-6010 — Calcium Carbonate, 72476-022 — Calcium carbonate, 72476-026 — Calcium carbonate, 72476-127 — Calcium carbonate, 72476-132 — Calcium carbonate, 72476-142 — Calcium carbonate, 72476-170 — Calcium carbonate, 72476-178 — Calcium carbonate, 73057-377 — Calcium Carbonate 10gr (648 mg), 73097-017 — Famotidine, Calcium carbonate, and Magnesium hydroxide, 73598-1142 — CALCIUM CARBONATE, 73598-1144 — CALCIUM CARBONATE, 73598-1392 — Calcium Carbonate, 76162-127 — Calcium carbonate, 76162-128 — Calcium carbonate, 76162-129 — Calcium carbonate, 76162-130 — Calcium carbonate, 76162-131 — Calcium carbonate, 76162-404 — Calcium Carbonate, 76162-407 — Simethicone, +648 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.