Medicine guide

Antacid

420 mg · Tablet

Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.

What it is for

Medicine groupDigestion, stomach, diabetes and nutrition

Mediclarum has not yet retrieved and stored the official label for this product, so none of its text is shown here. Open the official leaflet

Made by	ProStat First Aid
Active substance	Calcium Carbonate
Used in	Digestion, stomach, diabetes and nutrition
Strength	420 mg
Form	Tablet
Route	Oral
Packs	10000 PACKET in 1 BAG / 2 TABLET in 1 PACKET
NDC	58228-0091

Source: NDC Directory · 2026-09-13 · not reviewed by a clinician

Source: US Food and Drug Administration, NDC Directory. Reuse terms: US government work (FDA).

16 products are sold under this name. Grouped by form; a number on a strength means several companies make it.

Liquid6 products
- 400 mg/10mL + 400 mg/10mL + 40 mg/10mL5
  400 mg/10mL + 400 mg/10mL + 40 mg/10mL · 5 companies
- 800 mg/10mL + 800 mg/10mL + 80 mg/10mL
Tablet4 products
- 420 mg2
  420 mg · 2 companies
  - ProStat First Aid · this page
  - Trifecta Pharmaceuticals USA LLC
- 500 mg/g
- 648 mg
Tablet, Chewable4 products
- 500 mg2
  500 mg · 2 companies
  - Advance Pharmaceutical Inc.
  - Richmond Pharmaceuticals, Inc.
- 750 mg
- 1000 mg
Suspension2 products
- 400 mg/5mL + 400 mg/5mL + 40 mg/5mL2
  400 mg/5mL + 400 mg/5mL + 40 mg/5mL · 2 companies
  - CVS
  - Safeway

These contain the same substance. That does not mean one can replace another — ask a pharmacist.