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Over-the-counter medicine · no prescription needed

Aluminum hydroxide and magnesium hydroxide

Heartburn and stomach

Official FDA data, not advice

The label text is quoted exactly as the company filed it with the U.S. Food and Drug Administration (FDA), with a link to the official copy. The list of brands comes from the FDA NDC Directory.

This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.

If someone may have taken too much, call Poison Help: 1‑800‑222‑1222. In an emergency, call 911.

Quick answers

What is Aluminum hydroxide and magnesium hydroxide used for?
The Drug Facts label of Kesin MAG-AL (Kesin Pharma Corporation) lists these uses: For the relief of: acid indigestion heartburn sour stomach upset stomach due to these symptoms.
Do I need a prescription for Aluminum hydroxide and magnesium hydroxide?
No. The products on this page are sold without a prescription (over the counter).
Is a store brand the same as the name brand?
Products listed together below have the same active ingredients, in the same amount and the same form, as registered with the FDA. Inactive ingredients (such as colors, flavors and fillers) and package sizes can differ. Compare the “Active ingredient” box on both packages, and ask a pharmacist if you are not sure.
Has Aluminum hydroxide and magnesium hydroxide been recalled?
No recall linked to these products appears in the FDA enforcement reports we use.

Drug Facts label

Every over-the-counter medicine must carry a “Drug Facts” box in the same order, set by FDA rules. Below is the label of one product for each common strength and form, quoted word for word. Your own package can differ (for example, children’s products have other directions): always follow the label on your package.

Kesin MAG-AL · Kesin Pharma Corporation

Aluminum hydroxide 200 mg/5 mL · Magnesium hydroxide 200 mg/5 mL, suspension (oral)

Active ingredient (in each 5 mL = 1 teaspoonful)

………………….………..................................Purpose Aluminum Hydroxide 200 mg……………………………………………………………………………..Antacid Magnesium Hydroxide 200 mg…………………………………………………………………………...Antacid

Purpose

Active ingredient (in each 5 mL = 1 teaspoonful)………………….………..................................Purpose Aluminum Hydroxide 200 mg……………………………………………………………………………..Antacid Magnesium Hydroxide 200 mg…………………………………………………………………………...Antacid

Uses

For the relief of: acid indigestion heartburn sour stomach upset stomach due to these symptoms

Warnings

Do not take more than 16 teaspoonfuls in a 24-hour period or use the maximum dosage for more than 2 weeks except under the advice and supervision of a physician.

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

In case of overdose, get medical help or contact a Poison Control Center right away.

Directions

shake well before using do not take more than 16 teaspoonfuls in 24 hours or use the maximum dosage for more than 2 weeks

Age Dose
adults and children 12 years of age and oldertake 2 to 4 teaspoonfuls four times a day or as directed by a physician
children under 12 years of age consult a physician

Inactive ingredients

colloidal silicon dioxide, glycerin, methylparaben, microcrystalline cellulose, mint flavor, propylene glycol, propylparaben, purified water, sorbitol, sucralose, xanthan gum

Questions?

Call 1-833-537-4679

— FDA label of Kesin MAG-AL, Kesin Pharma Corporation, effective May 8, 2026. See the official label on DailyMed →

This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.

Same medicine, other brands

Each group lists the products that have exactly the same active ingredients, in the same amount and form, as registered with the FDA (NDC Directory). A store brand in the same group has the same medicine as the name brand; inactive ingredients, flavors and package sizes can differ. Each product links to its own official label.

Aluminum hydroxide 200 mg/5 mL · Magnesium hydroxide 200 mg/5 mL · suspension (oral) · 2 products

Drug Facts for this strength and form ↑

Brand or product nameCompany on the labelLabel
Kesin MAG-AL Kesin Pharma Corporation DailyMed
Mag-AL Liquid PAI Holdings, LLC DailyMed

Companies that sell this medicine

The company named on the package (maker or distributor), as listed in the FDA NDC Directory, with its number of over-the-counter products of this medicine.

Recalls

No recall linked to these products (by their NDC code or label) appears in the FDA enforcement reports.

Sources

  1. Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  4. FDA rule for the Drug Facts label (21 CFR 201.66)

Only medicines marketed under FDA rules for nonprescription drugs (an FDA monograph or an FDA approval) are listed. Homeopathic products are not listed: the FDA does not evaluate them for safety or effectiveness.

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