Milk of Magnesia

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Milk of Magnesia
Generic name
MAGNESIUM HYDROXIDE
Manufacturer
Major Pharmaceuticals
Product type
HUMAN OTC DRUG
SPL set ID
c3d14605-fdec-49fc-b0ee-d4c3ae5f42b5
SPL ID
f2c85a2d-8cd9-4ac9-bde5-a56af46b4c83
Version
1
Effective date
2026-01-05
Source export date
2026-09-28
Source partition
13
Source file
https://download.open.fda.gov/drug/label/drug-label-0013-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/e78bf8aa9f90ab13e640d254dfbd4fe5bfeca4995ec5f9d51bce3356e249cab7/drug-label-0013-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 06:38:52
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Warnings sections page 1 of 1 · 2 matching rows.

warnings

Warnings for Antacid 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. When using this product • do not take more than 60 mL (2 doses) in a 24-hour period • do not use the maximum dosage for more than 2 weeks except under the advice and superision of a doctor • may cause a laxative effect 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.

warnings

Warnings for Saline Laxative Ask a doctor before use if you have • kidney disease • a magnesium-restricted diet • abdominal pain, nausea, or vomiting • a sudden change in bowel habits that lasts more than 2 weeks Ask a doctor or pharmacist before use If you are • presently taking a prescription drug. This product may interact with certain prescription drugs. Stop use and ask a doctor if • you have rectal bleeding or no bowel movement after using this product. These could be signs of a seriouscondition. • you need to use a laxative for more that 1 week 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.

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.