ANTACID ANTIGAS NTA aluminum hydroxide, magnesium hydroxide, simethicone 800 mg/10mL; 800 mg/10mL; 80 mg/10mL Liquid, 355 mL — NDC 46122-431-40 (Billing 46122-0431-40)
This is a package of 355 mL of ANTACID ANTIGAS NTA aluminum hydroxide, magnesium hydroxide, simethicone 800 mg/10mL; 800 mg/10mL; 80 mg/10mL Liquid from AMERISOURCEBERGEN DRUG CORPORATION, marketed since Sep 2017 and currently FDA-listed; retail pharmacies pay about $0.0121 per mL (NADAC). It is this product's only package size.
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): 002706
- GCN: 63915
- GPI-14 (Medi-Span): 48991003101835
- HICL (First Databank): 001168
- AHFS class code: 56:04.00.00
- RxCUI (RxNorm): 237870
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 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
This is an over-the-counter liquid antacid and anti-gas product taken by mouth. Aluminum hydroxide and magnesium hydroxide are antacids commonly used to neutralize stomach acid and relieve heartburn or indigestion. Simethicone (also called dimethicone) is an anti-gas agent typically used to reduce bloating and gas discomfort by helping break up gas bubbles in the digestive tract. This product is marketed under the FDA's over-the-counter drug monograph rules.
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Aluminum Hydroxide, Magnesium Hydroxide, Simethicone (OTC drug) — tap one for details:
Aluminum Hydroxide, Magnesium Hydroxide, Simethicone (OTC drug) may be associated with lower levels of 5 nutrients — worth a chat with your pharmacist, not a cause for alarm.
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 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 | $0.012 | $4.30 / 355 ml |
| Medicaid paysCMS SDUD · 12 mo | $0.0365 | $12.96 / 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 Q1 2026
- 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 |
|---|---|---|---|---|
| 46122-0431-40 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 Sep 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 Sep 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 1, 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
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 symptoms of 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 do not take more than 60 mL (6 doses) 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 Do not take more than 60 mL (6 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 340 mg, sodium 10 mg do not freeze store at room temperature tightly closed
🧪 Active Ingredient ▾
Active ingredients (in each 10 mL dose) Aluminum hydroxide (equivalent to dried gel, USP) 800 mg Magnesium hydroxide 800 mg Simethicone 80 mg
🧪 Inactive Ingredients ▾
Inactive ingredients benzyl alcohol, butylparaben, carboxymethylcellulose sodium, flavor, hypromellose, microcrystalline cellulose, propylparaben, purified water, saccharin sodium, sorbitol solution Questions or Comments? 1-800-540-3765
🎯 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