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MILK OF MAGNESIA

Dosage form
SUSPENSION
Labeler
Fact Products
Label updated
2025-11-19
Retrieved
2026-09-07
Active ingredients
MAGNESIUM HYDROXIDE
View original label and images on DailyMed ↗
Active ingredient (in each 15 mL)

Magnesium hydroxide 1200 mg

Purpose

Saline laxative

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

Warnings

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.

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 over 30 mL to 60 mL
children 6 to 11 years 15 mL to 30 mL
children under 6 years ask a doctor

Other information

each 15 mL contains: magnesium 500 mg

• avoid freezing

• store at room temperature tightly closed

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: aebbdd10-0650-6efe-e053-2a95a90a0ab2 · Version 4
NDC: 80447-649