Medi-First Plus Antacid
- Manufacturer
- Unifirst First Aid Corporation
- Effective date
- 2025-09-08
- Label type
- HUMAN OTC DRUG LABEL
- Version
- 17
- Source
- full-release
- Hydrated at
- 2026-06-01 01:12:55
Label at a glance#
Contacts and useful links#
Label contents#
Full prescribing information#
SPL UNCLASSIFIED SECTION
Drug Facts
OTC - ACTIVE INGREDIENT SECTION
Active ingredient (in each tablet)
Calcium Carbonate 420 mg
OTC - PURPOSE SECTION
Purpose
Antacid
INDICATIONS & USAGE SECTION
Uses
relieves
- acid indigestion
- sour stomach
- heartburn
- upset stomach associated with these symptoms
WARNINGS SECTION
Warnings
OTC - DO NOT USE SECTION
Do not use
■ the maximum dosage of this product for more than 2 weeks except under the advice and supervision of a
doctor
OTC - ASK DOCTOR SECTION
Ask a doctor or pharmacists before use if you
■ are taking a prescription drug. Antacids may interact with certain prescription drugs.
■ have kidney disease
OTC - WHEN USING SECTION
When using this product
- do not ake more than 19 tablets in a 24 hour period. If symptoms persist for more than two weeks, stop using this product and see a doctor.
OTC - PREGNANCY OR BREAST FEEDING SECTION
If pregnant or breast feeding, ask a health professional before use.
OTC - KEEP OUT OF REACH OF CHILDREN SECTION
Keep out of the reach of children.
DOSAGE & ADMINISTRATION SECTION
Directions
Adults and children: (12 years and older) Chew 2 tablets every 2 - 3 hours or as symptoms occur, repeat hourly if needed. Do not exceed 19 tablets in 24 hours.
Children under 12 years: Ask a doctor
SPL UNCLASSIFIED SECTION
Other information
- calcium content per tablet: 168 mg
- phenylketonurics: each tablet may contain 1.5 mg phenylalanine
- store at room temperature 59-86°F (15-30°C) in a dry place
- tamper-evident sealed packets
- do not use any opened or torn packets
INACTIVE INGREDIENT SECTION
Inactive ingredients
aspartame*, croscarmellose sodium*, gum acacia*, magnesium stearate, maltodextrin, mint flavor, sorbitol*, sucrose*
*may contain
OTC - QUESTIONS SECTION
Questions or comments? Call 1-800-634-7680
Medique Alcalak
Medique ®
Alcalak
Calcium Rich Chewable Tablets
Tabletas Masticables, Ricas en Calcio
Pull to Open
Tire Para Abrir
Heartburn, Indigestion • Calcium Carbonate 420 mg
las agruras, la indigestion • Carbonato de Calcio 420 mg
Mint Flavor
200
Tablets
(100 x 2)
Tamper Evident Unit Dose Packets
Empaquetado con Sellado Evidente en Dosis Unitarias
Medi-First Antacid Label
100
Tablets
(50 x 2)
MEDI-FIRST ®
Antacid Calcium Carbonate
Compare active ingredient to:
Compare el ingrediente activo con:
Tums ®
Registered Trademark of Smithkline-Beecham
Marca Registrada de Smithkline-Beecham
Pull to Open
Tire Para Abrir
Heartburn, Indigestion • Calcium Carbonate 420mg
las agruras, la indigestion • Antiacido Carbonato de Calcio 420mg
Antiacido Carbonato de Calico
Tamper Evident Unit Dose Packets
Empaquetado con Sellado Evidente en Dosis Unitarias
Medi-First Plus Antacid Label
100
Tablets
(50 x 2)
MEDI-FIRST®
Plus
Antacid
Calcium Carbonate 420 mg
Carbonato de Calcio 420mg
Pull to Open
Tire Para Abrir
Calcium Rich
Chewable Tablets
Tabletas Masticables, Ricas en Calcio
Compare active
ingredient to:
Tums ®
Registered Trademark of Smithkline-Beecham
Tamper Evident
Unit Dose Packets
Empaquetado con Sellado
Evidente en Dosis Unitarias
DailyMed RxNorm Mappings#
DailyMed Product Concepts#
| Product concept | Relation | Version | Effective |
|---|---|---|---|
| bee4fa8d-8d82-423a-a0b5-40a89dd13a99 | Product name | 1 | 20250618 |
| e0d2eb29-08bd-4bba-90d1-c91c68a38767 | Product name | 4 | 20250516 |
| 30b0ac6e-02aa-0e5c-0d8b-cffdf3a282b2 | Product name | 5 | 20250304 |
| 334fe8d2-68fb-4331-a576-420e302ec069 | Product name | 7 | 20240320 |
| 444b3e50-f226-46ef-bfca-2e7035d140cd | Product name | 1 | 20190611 |
| e92765c1-be81-432a-b909-1b10777ec378 | Product name | 1 | 20190208 |
| 7cda52fc-125f-421c-8fea-bc1974370c49 | Product name | 2 | 20180703 |
| d5e51f11-ad28-caa4-4b49-4143974782ad | Product name | 1 | 20150831 |
| 0ca1d589-929b-4b33-bc5b-1d84abdafa6a | Product name | 1 | 20150324 |
| fc363c46-397b-4476-ac0f-70e43e8e4592 | Product name | 1 | 20150324 |
| 0441a8f5-3835-497c-aedd-bc78cba56b2a | Product name | 1 | 20150317 |
| 87711080-88eb-65c5-b2dd-bf99e700a372 | Product name | 1 | 20140508 |
| ec2149b3-5c6d-5344-f757-c86411073075 | Product name | 1 | 20140508 |
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 47682-201-13 | Medique Alcalak | 250 in 1 BOX | TABLET, CHEWABLE | 250 | 17 | |
| 47682-201-33 | Medique Alcalak | 50 in 1 BOX | TABLET, CHEWABLE | 50 | 17 | |
| 47682-201-47 | Medique Alcalak | 100 in 1 BOX | TABLET, CHEWABLE | 100 | 17 | |
| 47682-201-64 | Medique Alcalak | 12 in 1 BOX | TABLET, CHEWABLE | 12 | 17 | |
| 47682-201-69 | Medique Alcalak | 3 in 1 BOX | TABLET, CHEWABLE | 3 | 17 | |
| 47682-201-99 | Medique Alcalak | 2 in 1 PACKET | TABLET, CHEWABLE | 2 | 17 | |
| 47682-820-13 | Medi-First Antacid | 250 in 1 BOX | TABLET, CHEWABLE | 250 | 17 | |
| 47682-820-33 | Medi-First Antacid | 50 in 1 BOX | TABLET, CHEWABLE | 50 | 17 | |
| 47682-820-48 | Medi-First Antacid | 125 in 1 BOX | TABLET, CHEWABLE | 125 | 17 | |
| 47682-820-50 | Medi-First Antacid | 25 in 1 BOX | TABLET, CHEWABLE | 25 | 17 | |
| 47682-820-99 | Medi-First Antacid | 2 in 1 PACKET | TABLET, CHEWABLE | 2 | 17 | |
| 47682-920-33 | Medi-First Plus Antacid | 2 in 1 PACKET | TABLET, CHEWABLE | 2 | 17 | |
| 47682-920-33 | Medi-First Plus Antacid | 50 in 1 BOX | TABLET, CHEWABLE | 50 | 17 | |
| 47682-920-48 | Medi-First Plus Antacid | 125 in 1 BOX | TABLET, CHEWABLE | 125 | 17 | |
| 47682-920-48 | Medi-First Plus Antacid | 2 in 1 PACKET | TABLET, CHEWABLE | 2 | 17 |
DailyMed Socrata Ingredients#
| Ingredient | Type | UNII | SPL version | Uploaded |
|---|---|---|---|---|
| Calcium Carbonate | ACTIVE INGREDIENT | H0G9379FGK | 2 | |
| Carbonate Ion | ACTIVE MOIETY | 7UJQ5OPE7D | 2 | |
| ASPARTAME | INACTIVE INGREDIENT | Z0H242BBR1 | 2 | |
| CROSCARMELLOSE SODIUM | INACTIVE INGREDIENT | M28OL1HH48 | 2 | |
| MAGNESIUM STEARATE | INACTIVE INGREDIENT | 70097M6I30 | 2 | |
| MALTODEXTRIN | INACTIVE INGREDIENT | 7CVR7L4A2D | 2 | |
| MINERAL OIL | INACTIVE INGREDIENT | T5L8T28FGP | 2 | |
| SORBITOL | INACTIVE INGREDIENT | 506T60A25R | 2 |
Products#
Every source-derived product name is available through these pages.
- Medique Alcalak
- calcium carbonate
- ASPARTAME
- CROSCARMELLOSE SODIUM
- MAGNESIUM STEARATE
- MALTODEXTRIN
- SORBITOL
- CALCIUM CATION
- CARBONATE ION
- Medi-First Antacid
- Medi-First Plus Antacid
NDC Codes#
| Product NDC | Package NDC |
|---|---|
| 47682-201 | 47682-201-99, 47682-201-69, 47682-201-64, 47682-201-33, 47682-201-47, 47682-201-13 |
| 47682-820 | 47682-820-99, 47682-820-13, 47682-820-48, 47682-820-33, 47682-820-50 |
| 47682-920 | 47682-920-33, 47682-920-48 |
Ingredients#
Every source-derived ingredient row is available through these pages.
| Name | UNII | Kind |
|---|---|---|
| ASPARTAME | Z0H242BBR1 | IACT |
| CROSCARMELLOSE SODIUM | M28OL1HH48 | IACT |
| MAGNESIUM STEARATE | 70097M6I30 | IACT |
| MALTODEXTRIN | 7CVR7L4A2D | IACT |
| SORBITOL | 506T60A25R | IACT |
| CALCIUM CARBONATE | H0G9379FGK | ACTIB |
| ASPARTAME | Z0H242BBR1 | IACT |
| CROSCARMELLOSE SODIUM | M28OL1HH48 | IACT |
| MAGNESIUM STEARATE | 70097M6I30 | IACT |
| MALTODEXTRIN | 7CVR7L4A2D | IACT |
| SORBITOL | 506T60A25R | IACT |
| CALCIUM CARBONATE | H0G9379FGK | ACTIB |
| ASPARTAME | Z0H242BBR1 | IACT |
| CROSCARMELLOSE SODIUM | M28OL1HH48 | IACT |
| MAGNESIUM STEARATE | 70097M6I30 | IACT |
| MALTODEXTRIN | 7CVR7L4A2D | IACT |
| SORBITOL | 506T60A25R | IACT |
| CALCIUM CARBONATE | H0G9379FGK | ACTIB |
Source Document#
Inactive ingredient matches#
Inactive Ingredient Database values describe FDA-listed use contexts. The match method and ambiguity count are shown because ingredient names, routes, and dosage forms are not always unique. Browse recovered IID releases and source provenance.
| DailyMed ingredient | IID ingredient | UNII | Dosage form / route | Potency | Maximum daily exposure | Match |
|---|---|---|---|---|---|---|
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| ASPARTAME | ASPARTAME | Z0H242BBR1 | TABLET, CHEWABLE / ORAL | 195 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| MALTODEXTRIN | MALTODEXTRIN | 7CVR7L4A2D | TABLET, CHEWABLE / ORAL | 292 mg | ||
| SORBITOL | SORBITOL | 506T60A25R | TABLET, CHEWABLE / ORAL | 3555 mg | ||
| MINERAL OIL | MINERAL OIL | T5L8T28FGP | TABLET, CHEWABLE / ORAL | 6 mg | ||
| MAGNESIUM STEARATE | MAGNESIUM STEARATE | 70097M6I30 | TABLET, CHEWABLE / ORAL | 127 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg | ||
| CROSCARMELLOSE SODIUM | CROSCARMELLOSE SODIUM | M28OL1HH48 | TABLET, CHEWABLE / ORAL | 216 mg |
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.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| Medique Alcalak | CALCIUM CARBONATE | Unifirst First Aid Corporation | 60703e3d-52b1-49c4-b4e2-59d96fa09a78 | 2025-09-08 | Warnings | 47682-201-33 47682-920-48 47682-820-50 47682-820-48 47682-820-13 47682-201-99 47682-820-33 47682-820-99 47682-201-13 47682-201-64 47682-920-33 47682-201-47 47682-201-69 47682-820 47682-920 47682-201 47682082099 47682082050 47682020199 47682082033 47682092048 47682082048 47682020169 47682092033 47682020113 47682020147 47682020133 47682082013 47682020164 3e4be5ad-5b19-b8da-e063-6394a90a50d6 60703e3d-52b1-49c4-b4e2-59d96fa09a78 |
Reported adverse events (FAERS/openFDA)#
Adverse event summaries are temporarily unavailable. Other product information remains available.


