Indications and uses
relieves occasional constipation (irregularity) generally produces bowel movement in 1/2 to 6 hours
MILK OF MAGNESIA
- Manufacturer
- RUGBY LABORATORIES | GCP Laboratories
- Effective date
- 2025-12-30
- Label type
- HUMAN OTC DRUG LABEL
- Version
- 3
- Source
- full-release
- Hydrated at
- 2026-06-01 01:29:24
Label at a glance#
ProductMILK OF MAGNESIA
Active ingredientMAGNESIUM HYDROXIDE
Label structure9 sections
Dosage and administration
• 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 • for accurate dosing, only use dosing cup provided • mL=milliliter age dose adults and children 12 years and over 30 mL to 60 mL children 6 to 11 years 15 mL to 30 mL ch...
Storage and handling
• each 15 mL contains: magnesium 500 mg • avoid freezing • store at room temperature tightly closed
Contacts and useful links#
Label contents#
Full prescribing information#
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
• allergic reaction to this product or any of its ingredients
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.
OTC - KEEP OUT OF REACH OF CHILDREN SECTION
Keep out of reach of children. In case of overdose, get medical help or
contact a Poison Control Center (1-800-222-1222) 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
• for accurate dosing, only use dosing cup provided • mL=milliliter
| 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
DailyMed RxNorm Mappings#
| RxCUI | RxNorm string | TTY | SPL version |
|---|---|---|---|
| 253017 | magnesium hydroxide 1200 MG in 15 mL Oral Suspension | PSN | 3 |
| 253017 | magnesium hydroxide 80 MG/ML Oral Suspension | SCD | 3 |
| 253017 | magnesium hydroxide 1200 MG per 15 ML Oral Suspension | SY | 3 |
| 253017 | milk of magnesia 2400 MG per 30 ML Oral Suspension | SY | 3 |
| 253017 | milk of magnesia 400 MG per 5 ML Oral Suspension | SY | 3 |
| 253017 | milk of magnesia 8 % Oral Suspension | SY | 3 |
| 253017 | milk of magnesia 80 MG/ML Oral Suspension | SY | 3 |
DailyMed Product Concepts#
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 0536-1319-83 | MILK OF MAGNESIA | 355 mL in 1 BOTTLE | LIQUID | 355 | 3 |
DailyMed Billing Units#
| Package NDC | Billing unit | Product NDC | DailyMed indexing SPL | SPL version | Effective |
|---|---|---|---|---|---|
| 0536-1319-83 | ML - Milliliter | 0536-1319 | aca8da25-c299-4ce5-9c43-cf32d4056ca2 | 1 | 2021-02-05 |
Products#
Every source-derived product name is available through these pages.
- MILK OF MAGNESIA
- magnesium hydroxide
- WATER
- SODIUM HYPOCHLORITE
- MAGNESIUM CATION
- HYDROXIDE ION
NDC Codes#
| Product NDC | Package NDC |
|---|---|
| 0536-1319 | 0536-1319-83 |
Ingredients#
Every source-derived ingredient row is available through these pages.
| Name | UNII | Kind |
|---|---|---|
| WATER | 059QF0KO0R | IACT |
| SODIUM HYPOCHLORITE | DY38VHM5OD | IACT |
| MAGNESIUM HYDROXIDE | NBZ3QY004S | ACTIB |
Source Document#
openFDA label cross-check#
OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| MILK OF MAGNESIA | MAGNESIUM HYDROXIDE | RUGBY LABORATORIES | b1bafa6e-0f54-1c35-e053-2995a90a42e4 | 2025-12-30 | Warnings | 0536-1319-83 0536-1319 00536131983 472e6fb3-595b-d3c4-e063-6294a90a7727 b1bafa6e-0f54-1c35-e053-2995a90a42e4 |
Reported adverse events (FAERS/openFDA)#
Adverse event summaries are temporarily unavailable. Other product information remains available.