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MILK OF MAGNESIA ORIGINAL

Dosage form
LIQUID
Labeler
MAJOR Pharmaceuticals Inc.
Label updated
2025-12-11
Retrieved
2026-09-07
Active ingredients
MAGNESIUM HYDROXIDE
View original label and images on DailyMed ↗
Active ingredient (in each 15 mL tablespoonful)

Magnesium hydroxide 1200 mg

Purpose

Saline laxative

Use
  • relieves occasional constipation (irregularity)
  • usually produces bowel movement in 1/2 to 6 hours

Warnings

Do not use if you have ever had an allergic reaction to this product or any of its ingredients

Ask a doctor before use if you have

  • kidney disease
  • a magnesium-restricted diet
  • stomach pain, nausea, or vomiting
  • a sudden change in bowel habits that lasts over 14 days

Ask a doctor or pharmacist before use if you are 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 serious condition.
  • you need to use a laxative for more than 1 week

If pregnant or breast-feeding, ask a health professional before use.

Label information

Keep out of reach of children. In case of overdose, get medical help or contact a

Poison Control Center right away 1-800-222-1222.

Directions
  • shake well before use
  • do not exceed the maximum recommended daily dose in a 24 hour period
  • dose may be taken once a day preferably at bedtime, in divided doses, or as directed by a doctor
  • drink a full glass (8 oz) of liquid with each dose
age dose
adults and children 12 years and older 2 to 4 tablespoonfuls
children 6 to 11 years 1 to 2 tablespoonfuls
children under 6 years ask a doctor

Other information
  • each 15 mL contains: magnesium 500 mg
  • store at room temperature and avoid freezing
  • close cap tightly after use
Inactive ingredients

purified water, sodium hypochlorite

Questions or comments?

1-800-540-3765

package Label

[Image in the official label — see DailyMed source]

DailyMed Set ID: 673311f7-0b83-410c-a480-8e57d0190296 · Version 5
NDC: 0904-0788