Official product label reference

Maximum Strength Antacid — CVS PHARMACY

This page contains 9 source sections for ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE, oral route. Label set af71e02d-e7c7-f925-e053-2995a90a0861, version 6.

Retrieved 2026-10-02 · openFDA dataset updated 2026-10-02 · Check the current DailyMed label

Label records can cover multiple strengths or package sizes. A label listing does not by itself establish FDA approval or current market availability. Check the source and application history for this specific product.

Uses described in the label

Uses relieves heartburn sour stomach acid indigestion the symptoms referred to as gas

Purpose

Purposes Antacid Antigas

Dosage and administration — label text

Directions shake well before use adults and children 12 years of age and older:take 2 to 4 teaspoonfuls (1 to 2 doses) between meals, at bedtime or as directed by a doctor do not exceed 12 teaspoonfuls in any 24 hour period or use the maximum dosage for more than 2 weeks children under 12 years of age: ask a doctor

Warnings

Warnings Ask a doctor before use if you have kidney disease a magnesium-restricted diet Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs. Stop use and ask a doctor if symptoms last more than 2 weeks If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.

Active ingredient

Active ingredients (in each 5 mL teaspoonful) Aluminum hydroxide 400 mg (equivalent to dried gel, USP) Magnesium hydroxide 400 mg Simethicone 40 mg

Child safety

Keep out of reach of children.

Storage and handling

Other information each 5 mL teaspoonful contains: magnesium 165 mg, sodium 5 mg do not freeze store at room temperature tightly closed

Inactive ingredient

Inactive ingredients benzyl alcohol, butylparaben, carboxymethylcellulose sodium, flavor (contains alcohol), hypromellose, microcrystalline cellulose, propylparaben, purified water, saccharin sodium, sorbitol solution

Questions

Questions or comments? 1-800-540-3765

Official sources and product identifiers

DailyMed — complete source labelVerify the current version and original formatting, including tables and diagrams.
openFDA — structured source recordMachine-readable label source, linked by the exact label set ID.

Substances listed: ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE

RxNorm identifiers: 237870

Package NDC codes

69842-619-12

Further research and background

These are external searches for related information. Research, encyclopedia and news articles have not been imported into this product record.

Coverage and corrections

The text is extracted from a US structured product label. Tables are represented as text where supplied; formatting and illustrations may be lost. A missing section does not mean a risk is absent. This reference has not been independently reviewed by a clinician and is not a live safety-alert service.

Source retrieved 2026-10-02. Read the source policy.

Maximum Strength Antacid drug information