REGULAR STRENGTH ANTACID aluminum hydroxide, magnesium hydroxide, dimethicone 400 mg/10mL; 400 mg/10mL; 40 mg/10mL Liquid, 355 mL — NDC 46122-434-40 (Billing 46122-0434-40)
This is a package of 355 mL of REGULAR STRENGTH ANTACID aluminum hydroxide, magnesium hydroxide, dimethicone 400 mg/10mL; 400 mg/10mL; 40 mg/10mL Liquid from AMERISOURCEBERGEN DRUG CORPORATION, marketed since Sep 2017 and currently FDA-listed; retail pharmacies pay about $0.0105 per mL (NADAC). It is this product's only package size.
NDC database record
One package, one record: these facts belong to NDC 46122-434-40 alone.
- Record
- FDA NDC Directory package listing · Human OTC drug
- Code segments
- 46122 labeler · 434 product · 40 package
- Package marketed since
- Jan 31, 2018
- Sample package
- No — commercial package
- Listing certified through
- Dec 31, 2026
- Billing quantity
- 355 mL per package
- Barcode (UPC-A, from the NDC)
- 3 4612243440 9
- Medicaid fills, this package
- 3,059 prescriptions in the last four reported quarters
- FDA record last changed
- Oct 1, 2026
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
Drug-database identifiers Medi-Span GPI and First Databank GCN / HICL / AHFS classification
- GSN (GCN sequence number): 002701
- GCN: 63910
- GPI-14 (Medi-Span): 48991003101810
- HICL (First Databank): 001168
- AHFS class code: 56:04.00.00
- RxCUI (RxNorm): 307746
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 3, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
RxNorm drug class
This medicine belongs to the Aluminium compounds class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
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 ↗This is an oral liquid antacid product sold over the counter as an OTC monograph drug. It contains two antacid ingredients, aluminum hydroxide and magnesium hydroxide, which are typically used to neutralize stomach acid. The product also contains dimethicone, which is commonly included in antacid formulations to help reduce gas and bloating. This type of product is intended for occasional relief of heartburn and indigestion symptoms.
Patient education
Supplement & herbal interactions
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 3, 2026
Ask a licensed pharmacist directly — free, answered by our team.
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 | $0.011 | $3.73 / 355 ml |
| Medicaid paysCMS SDUD · 12 mo | $0.0428 | $15.19 / 355 ml |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
Where does this data come from?
- CMS NADAC weekly file · file of Sep 30, 2026
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · through Q4 2025
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 46122-0434-40 You're viewing this Main listing | 355 mL in 1 BOTTLE | 2018-01-31 | — | Active |
Therapeutic equivalents
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Oct 3, 2026
- CMS NADAC weekly file · file of Sep 30, 2026
Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route.
Where does this data come from?
- FDA Orange Book · refreshed Oct 3, 2026
What it looks like
Where does this data come from?
- FDA label on DailyMed · label index refreshed Oct 3, 2026
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.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII LKG8494WBH
Benzyl alcohol is a clear liquid used as a preservative and solvent in medicines. It helps prevent bacterial and fungal growth and dissolves other ingredients to create uniform liquid formulations.
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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 K679OBS311
Carboxymethylcellulose sodium is a plant-derived thickening agent made from cellulose. In medicines, it acts as a binder to hold ingredients together, a disintegrant to help the tablet break apart, or a thickener in liquids.
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UNII OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII 3NXW29V3WO
Hypromellose is a plant-based thickener made from cellulose. It's used in medicines as a binder to hold ingredients together, a coating for tablets, and a thickener for liquids.
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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 8KW3E207O2
A liquid sweetener made from sorbitol, a sugar alcohol derived from glucose. It sweetens the medicine and also acts as a humectant to help retain moisture and improve texture in liquid formulations.
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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.
Where does this data come from?
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.- FDA label on DailyMed · label index refreshed Oct 3, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
Why might an inactive ingredient be missing?
Can inactive ingredients matter?
Manufacturer & labeler
More NDCs from AMERISOURCEBERGEN DRUG CORPORATION labeler code 46122
- Nasal Decongestant Maximum Strength, Non-Drowsy Pseudoephedrine HCl 30 mg Tablet, Film Coated NDC 46122-428-61
- Womens Gentle Laxative Bisacodyl 5 mg Tablet, Delayed Release NDC 46122-429-63
- Acetaminophen Regular Strength 325 mg Tablet, Coated NDC 46122-430-78
- ANTACID ANTIGAS NTA aluminum hydroxide, magnesium hydroxide, simethicone 800 mg/10mL; 800 mg/10mL; 80 mg/10mL Liquid NDC 46122-431-40
- ANTACID ANTIGAS NTA aluminum hydroxide, magnesium hydroxide, simethicone 800 mg/10mL; 800 mg/10mL; 80 mg/10mL Liquid NDC 46122-432-40
- REGULAR STRENGTH ANTACID aluminum hydroxide, magnesium hydroxide, dimethicone 400 mg/10mL; 400 mg/10mL; 40 mg/10mL Liquid NDC 46122-433-40
- MILK OF MAGNESIA CHERRY magnesium hydroxide 1200 mg/15mL Liquid NDC 46122-435-40
- MILK OF MAGNESIA MINT magnesium hydroxide 1200 mg/15mL Liquid NDC 46122-436-40
- MILK OF MAGNESIA magnesium hydroxide 1200 mg/15mL Liquid NDC 46122-437-40
- Allergy Relief Diphenhydramine HCl 25 mg Capsule NDC 46122-440-62
- Allergy Relief Diphenhydramine HCl 25 mg Tablet, Film Coated NDC 46122-441-62
- Sinus Pressure Pain Maximum Strength, Non-Drowsy Acetaminophen, Phenylephrine HCl 325 mg; 5 mg Tablet NDC 46122-443-62
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
FDA label — Drug Facts FDA SPL
🎯 Indications and Usage ▾
Uses relieves heartburn sour stomach acid indigestion the symptoms referred to as gas
⏱️ Dosage and Administration ▾
Directions shake well before use adults and children 12 years of age and older: take 10 mL to 20 mL (1 to 2 doses) between meals as needed, at bedtime, or as directed by a doctor children under under 12 years: ask a doctor
⚠️ Warnings ▾
Warnings Do not take more than 80 mL (8 doses) in a 24 hour period or use the maximum dosage for more than 2 weeks. 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. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.
📦 Storage and Handling ▾
Other information each 10 mL dose contains: magnesium 165 mg, sodium 6 mg store at room temperature tightly closed do not freeze
🧪 Active Ingredient ▾
Active ingredients (in each 10 mL teaspoonful) Aluminum hydroxide 400mg (equivalent to dried gel, USP) Magnesium hydroxide 400 mg Simethicone 40mg
🧪 Inactive Ingredients ▾
Inactive ingredients benzyl alcohol, butylparaben, carboxymethylcellulose sodium, flavor, hypromellose, microcrystalline cellulose, propylparaben, purified water, saccharin sodium, sorbitol solution
🎯 Purpose ▾
Purposes Antacid Antigas
📄 Keep Out of Reach of Children ▾
Keep out of reach of children.
📄 Questions or Comments ▾
Questions or comments? 1-800-540-3765
📄 Package Label / Principal Display Panel ▾
package label 1