REGULAR STRENGTH ANTACID

NDC 46122-434 · AMERISOURCEBERGEN DRUG CORPORATION

Generic namealuminum hydroxide, magnesium hydroxide, dimethicone

Dosage formLIQUID

RouteORAL

Active ingredient(s)ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE

Strength400; 40; 400 mg/10mL; mg/10mL; mg/10mL

Pharmacologic classCalculi Dissolution Agent [EPC], Increased Large Intestinal Motility [PE], Inhibition Large Intestine Fluid/Electrolyte Absorption [PE], Inhibition Small Intestine Fluid/Electrolyte Absorption [PE], Magnesium Ion Exchange Activity [MoA], Osmotic Activity [MoA], Osmotic Laxative [EPC], Skin Barrier Activity [PE], Stimulation Large Intestine Fluid/Electrolyte Secretion [PE]

Marketing categoryOTC MONOGRAPH DRUG

Packages

46122-434-40 — 355 mL in 1 BOTTLE (46122-434-40)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

42507-321 — famotidine, calcium carbonate and magnesium hydroxide, 42507-699 — loperamide hydrochloride, simethicone, 42507-701 — Simethicone, 42508-331 — DIMETHICONE and ZINC OXIDE, 43857-0536 — Echinacea (Angustifolia), Trifolium Pratense, Phytolacca Decandra, Calcarea Iodata, Kali Chloricum, Nitricum Acidum, Phosphoricum Acidum,…, 46122-150 — aluminum hydroxide and magnesium carbonate, 46122-345 — famotidine, calcium carbonate and magnesium hydroxide, 46122-431 — aluminum hydroxide, magnesium hydroxide, simethicone, 46122-432 — aluminum hydroxide, magnesium hydroxide, simethicone, 46122-433 — aluminum hydroxide, magnesium hydroxide, dimethicone, 46122-435 — magnesium hydroxide, 46122-436 — magnesium hydroxide, 46122-437 — magnesium hydroxide, 46122-547 — Simethicone, 46122-620 — loperamide hydrochloride, simethicone, 46122-769 — Simethicone, 46122-811 — Simethicone, 46783-004 — DIMETHICONE, 48951-1368 — Aurum Hypericum, 48951-1397 — Aurum Hypericum, +770 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels