Unishield Antacid

Calcium Carbonate · Tablet, Chewable · Oral

Over the counter Blood Coagulation Factor Phosphate Binder

Active ingredient

Active ingredient (in each tablet) Calcium Carbonate 420 mg

Purpose

Purpose Antacid

Uses

Uses relieves ■ acid indigestion ■ sour stomach ■ heartburn ■ upset stomach associated with these symptoms

Warnings

Do not use

Do not use ■ the maximum dosage of this product for more than 2 weeks except under the advice and supervision of a doctor

Ask a doctor or pharmacist

Ask a doctor or pharmacist before use if ■ are taking a prescription drug. Antacids may interact with certain prescription drugs. ■ Have kidney disease

When using this product

When using this product ■ do not take more than 19 tablets in a 24 hour period. If symptoms persist for more than 2 weeks, stop using this product and see a doctor.

Pregnancy or breast-feeding

If pregnant or breast feeding, ask a health professional before use.

Keep out of reach of children

Keep out of the reach of children.

Directions

Directions Adults and children: (12 years and older) Chew 2 tablets every 2 - 3 hours as symptoms occur, repeat hourly if needed. Do not exceed 19 tablets in 24 hours. Children under 12 years: Ask a doctor

Inactive ingredients

I nactive ingredients aspartame*, croscarmellose sodium*, gum acacia*, magnesium stearate, maltodextrin, mineral oil*, mint flavor, sorbitol*, sucrose* *may contain

Questions?

Questions or comments? 1-800-480-5855

Label text from the FDA structured product label by Unishield (revised Sep 8, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Calcium Carbonate in 1 product

Unishield Antacid NDC products (1)

NDC	Strength & form	Labeler	Type
49314-1013	Calcium Carbonate 420 mg/1 Tablet, Chewable	Unishield	OTC MONOGRAPH DRUG

Frequently asked questions

What is Unishield Antacid used for?

Uses relieves ■ acid indigestion ■ sour stomach ■ heartburn ■ upset stomach associated with these symptoms

Who makes Unishield Antacid?

Unishield Antacid is listed by 1 labeler in the FDA NDC directory, including Unishield.