Mag-Al Plus XS Magnesium Hydroxide, Aluminum Hydroxide, Simethicone 2400 mg/30mL; 2400 mg/30mL; 240 mg/30mL Suspension
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Aluminium compounds class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Aluminum Hydroxide, Magnesium Hydroxide are antacids used together to relieve heartburn, acid indigestion, and upset stomach. They may be used to treat these symptoms in patients with peptic ulcer, gastritis, esophagitis, hiatal hernia, or too much acid in the stomach (gastric hyperacidity). They combine with stomach acid and neutralize it. Aluminum Hydroxide, Magnesium Hydroxide are available without a prescription. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Read the full MedlinePlus article ↗Mag-Al Plus XS is an over-the-counter oral suspension containing three active ingredients. Magnesium hydroxide and aluminum hydroxide are antacids commonly used to help neutralize stomach acid and relieve heartburn and indigestion. Simethicone (also called dimethicone) is an anti-gas agent typically used to help reduce bloating and gas discomfort. This product is marketed as an OTC monograph drug, meaning it follows FDA's established rules for antacid and anti-gas products rather than being individually reviewed.
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💊 What it looks like
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
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UNII 3QPI1U3FV8
A preservative derived from benzoic acid that prevents bacterial and fungal growth in medicines. It helps extend shelf life and maintain product safety during storage and use.
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UNII CZ227117JE
A silicone-based compound made of linked silicon and oxygen atoms arranged in a ring structure. It acts as a solvent, carrier, or conditioning agent to help distribute active ingredients evenly and improve product texture and spreadability.
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UNII RN3152OP35
Hypromellose is a plant-based thickener and film-former derived from cellulose. In medicines, it's used to create coatings on tablets and capsules, control how fast the drug dissolves, and improve the product's texture and stability.
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UNII AV092KU4JH
A natural oil extracted from peppermint plants. It's used as a flavoring agent to mask bitter tastes and add a refreshing mint flavor to medicines, making them easier to take.
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UNII 6DC9Q167V3
Propylene glycol is a clear liquid derived from petroleum or vegetable sources. It acts as a solvent, humectant, and preservative in medicines, helping dissolve active ingredients and maintain product stability.
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UNII Z8IX2SC1OH
Propylparaben is a chemical preservative used to prevent bacterial and fungal growth in medicines and personal care products. It helps extend shelf life and maintain product safety during storage.
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UNII SB8ZUX40TY
Saccharin sodium is an artificial sweetener made from saccharin salt. It's added to medicines to improve taste, especially in liquid formulations for children or bitter drugs.
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UNII 506T60A25R
Sorbitol is a natural sugar alcohol derived from glucose. It serves as a sweetener, humectant, and bulking agent in medications to improve taste and help maintain moisture in the product.
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UNII 059QF0KO0R
Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.
9 inactive ingredients listed in the exact product block matched to this NDC.
Label-section wording can be broader than the structured product block and may mention additional formulation ingredients.
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ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
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🔁 Therapeutic equivalents
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⏳ Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route.
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🔬 Reported adverse events (FAERS)
Top reported reactions
Age at onset
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Serious outcomes
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 55154-9422-05 You're viewing this | 5 CUP, UNIT-DOSE in 1 BAG (55154-9422-5) / 30 mL in 1 CUP, UNIT-DOSE | 2011-06-07 | Active |
🧭 About this NDC listing & data coverage
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| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | — Not published for this NDC Applies only to products approved under an NDA/ANDA; many listings are out of scope. |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 FDA label — Drug Facts FDA SPL
🎯 Indications and Usage ▾
Uses for the relief of: • acid indigestion • heartburn • sour stomach • upset stomach due to these symptoms • pressure and bloating commonly referred to as gas
⏱️ Dosage and Administration ▾
Directions • shake well before using • do not take more than 8 teaspoonfuls in 24 hours or use the maximum dosage for more than 2 weeks adults and children 12 years and older take 2 to 4 teaspoonfuls two times a day or as directed by a physician children under 12 years consult a physician
⚠️ Warnings ▾
Warnings Do not take more than 8 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. Keep out of reach of children.
📦 Storage and Handling ▾
Other information • each 5 mL contains: magnesium 167 mg, sodium 2.24 mg • store at controlled room temperature 20° - 25°C (68° - 77°F) [see USP Controlled Room Temperature]. • protect from freezing • White colored, cherry flavored liquid supplied in the following oral dosage form: Overbagged with 5 x 30 mL unit dose cups in each bag, NDC 55154-9422-5 WARNING: This Unit Dose package is not child resistant and is Intended for Institutional Use Only. Keep this and all drugs out of the reach of children. *Maalox is a registered trademark of Novartis Consumer Health, Inc.
🧪 Active Ingredient ▾
Active ingredients (in each 5 mL = 1 teaspoonful) Purpose Aluminum hydroxide (equiv. to dried gel, USP) 400 mg Antacid Magnesium hydroxide 400 mg Antacid Simethicone 40 mg Antigas
🧪 Inactive Ingredients ▾
Inactive ingredients Butylparaben, hydroxypropyl methylcellulose, flavoring, propylene glycol, propylparaben, purified water, sodium saccharin, and sorbitol solution.
🎯 Purpose ▾
Active ingredients (in each 5 mL = 1 teaspoonful) Purpose Aluminum hydroxide (equiv. to dried gel, USP) 400 mg Antacid Magnesium hydroxide 400 mg Antacid Simethicone 40 mg Antigas