Label: MILK OF MAGNESIA- magnesium hydroxide suspension

  • NDC Code(s): 0121-0431-30
  • Packager: Pharmaceutical Associates, Inc.
  • Category: HUMAN OTC DRUG LABEL
  • DEA Schedule: None
  • Marketing Status: OTC monograph final

DISCLAIMER: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

Drug Label Information

Updated January 5, 2022

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  • SPL UNCLASSIFIED SECTION

    Drug Facts

  • Active ingredient (in each 5 mL)

    Magnesium hydroxide 400 mg

  • Purpose

    Saline laxative

  • Uses

    As an Antacid

    • heartburn
    • upset/sour stomach
    • acid indigestion

    As a Laxative (usually within ½ to 6 hours)

    • occasional constipation (irregularity)
  • 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.

    Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

  • Directions

    As an Antacid

    • do not exceed the maximum recommended daily dose in a 24 hour period
    • shake well before use
    • can be taken with water
    • mL = milliliter
    adults and children 12 years of age and over5 to 15 mL (1 to 3 teaspoonfuls)
    children under 12 years of ageask a doctor

    As a Laxative

    • do not exceed the maximum recommended daily dose of 60 mL in a 24 hour period
    • shake well before use
    • 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.
    • mL = milliliter; TBSP = Tablespoon
    adults and children 12 years and older30 mL (2 TBSP) to 60 mL (4 TBSP)
    children 6 – 11 years15 mL (1 TBSP) to 30 mL (2 TBSP)
    children under 6 yearsask a doctor
  • Other information

    • each teaspoonful (5 mL) contains: magnesium 400 mg
    • store at room temperature, 20° - 25°C (68° - 77°F). Avoid freezing.
    • Milk of Magnesia USP (white suspension, spearmint flavor) is supplied in the following oral dosage form:
    NDC 0121-0431-30:30 mL unit dose cup. Case contains 100 unit dose cups of 30 mL packaged in 10 trays of 10 unit dose cups each.
  • Inactive ingredients

    flavoring, hydroxypropyl methylcellulose, methylparaben, potassium citrate, propylene glycol, propylparaben, purified water, antifoam af emulsion, sodium saccharin, and sorbitol.

  • Questions or comments?

    Call 1-800-845-8210

  • SPL UNCLASSIFIED SECTION

    MANUFACTURED BY
    Pharmaceutical
    Associates, Inc.

    Greenville, SC 29605

  • PRINCIPAL DISPLAY PANEL - 30 mL Cup Tray Label

    NDC 0121-0431-30

    Milk of Magnesia USP
    ANTACID, SALINE LAXATIVE

    Each 30 mL contains:

    Magnesium Hydroxide
    2400 mg

    SHAKE WELL

    USUAL DOSAGE: See attached Drug Facts

    Package Not Child-Resistant

    Pharmaceutical Associates, Inc.

    Greenville, SC 29605

    F0431300721

    PRINCIPAL DISPLAY PANEL - 30 mL Cup Tray Label
  • INGREDIENTS AND APPEARANCE
    MILK OF MAGNESIA 
    magnesium hydroxide suspension
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:0121-0431
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    MAGNESIUM HYDROXIDE (UNII: NBZ3QY004S) (MAGNESIUM CATION - UNII:T6V3LHY838, HYDROXIDE ION - UNII:9159UV381P) MAGNESIUM HYDROXIDE400 mg  in 5 mL
    Inactive Ingredients
    Ingredient NameStrength
    HYPROMELLOSE 2910 (4000 MPA.S) (UNII: RN3152OP35)  
    METHYLPARABEN (UNII: A2I8C7HI9T)  
    POTASSIUM CITRATE (UNII: EE90ONI6FF)  
    PROPYLENE GLYCOL (UNII: 6DC9Q167V3)  
    WATER (UNII: 059QF0KO0R)  
    CYCLOMETHICONE 4 (UNII: CZ227117JE)  
    PROPYLPARABEN (UNII: Z8IX2SC1OH)  
    SORBITOL (UNII: 506T60A25R)  
    SACCHARIN SODIUM (UNII: SB8ZUX40TY)  
    Product Characteristics
    ColorwhiteScore    
    ShapeSize
    FlavorSPEARMINTImprint Code
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:0121-0431-3010 in 1 CASE09/04/1979
    110 in 1 TRAY
    130 mL in 1 CUP, UNIT-DOSE; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC monograph finalpart33109/04/1979
    Labeler - Pharmaceutical Associates, Inc. (044940096)
    Establishment
    NameAddressID/FEIBusiness Operations
    Pharmaceutical Associates, Inc.097630693manufacture(0121-0431)