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Active ingredient

Magnesium Sulfate Heptahydrate

116 finished FDA listings contain Magnesium Sulfate Heptahydrate as their only active ingredient; 20 combination products also contain it.

At a glance

From the FDA NDC Directory

Ingredient names as written by FDA
MAGNESIUM SULFATE HEPTAHYDRATE
Dosage forms
Aerosol, Foam, Cream, Crystal, Granule, Granule, For Solution, Injection, Injection, Solution, Liquid, Pellet, Powder, For Solution, Solution, Spray, Spray, Metered
Routes
Intramuscular, Intravenous, Oral, Topical
Manufacturers / labelers
57
Strengths listed
1 [hp_m]/1 · 1 [hp_q]/1 · 1 [hp_x]/120g · 1 g/100ml · 1 g/g · 10 mg/ml · 100 [hp_c]/1 · 100 g/100g · 1000 mg/g · 12 [hp_c]/1 · 2 g/50ml · 20 g/500ml · 200 [hp_c]/1 · 200 [kp_c]/200[kp_c] · 3 g/100ml · 30 [hp_c]/1 · 30 [hp_c]/30[hp_c] · 4 g/100ml · 4 g/50ml · 40 g/1000ml · 40 mg/ml · 500 [hp_c]/1 · 500 mg/ml · 6 [hp_c]/1 · 6 [hp_x]/100ml · 6 [hp_x]/101ml · 6 [hp_x]/210ml · 6 [hp_x]/506ml · 6 [hp_x]/ml · 80 mg/ml
Brand names in FDA listings
365 Whole Foods Market Epsom Salt, Cvs Muscle Relief, Epsom Salt, Epsom Salts, Equate Muscle Cramp And Spasm Relief, Humco Epson Salt, Lqnzjbau Magnesium Cream, Magnesia Sulphurica, Magnesium Sulfate, Magnesium Sulfate In 5% Dextrose, Magnesium Sulfate In Dextrose, Magnesium Sulfate In Water, Nuvalu Epsom Salt, Phuel, Rapidol Sal Inglesa, Sal Inglesa Epsom Salt, Theraworx Relief, Theraworx Relief Muscle Cramp And Spasm Relief, Walgreens Foaming Muscle Relief, Walgreens Muscle Relief

Official drug information

Source coverage for Magnesium Sulfate Heptahydrate:

  • FDA NDC Directory: linked
  • RxNorm: linked
  • Drugs@FDA: linked
  • DailyMed: linked

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 236741

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

  • Application
    NDA 019316
    Sponsor
    FRESENIUS KABI USA
    Original approval
    1986-09-08
    Listings
    13
  • Application
    NDA 020309
    Sponsor
    HOSPIRA
    Original approval
    1994-06-24
    Listings
    6
  • Application
    NDA 020488
    Sponsor
    HOSPIRA
    Original approval
    1995-07-11
    Listings
    1
  • Application
    ANDA 075151
    Sponsor
    HOSPIRA
    Original approval
    2000-04-25
    Listings
    3
  • Application
    ANDA 202411
    Sponsor
    HOSPIRA
    Original approval
    2015-05-14
    Listings
    1
  • Application
    ANDA 207349
    Sponsor
    HQ SPCLT PHARMA
    Original approval
    2016-03-02
    Listings
    1
  • Application
    ANDA 206486
    Sponsor
    FRESENIUS KABI USA
    Original approval
    2016-03-07
    Listings
    2
  • Application
    ANDA 206485
    Sponsor
    FRESENIUS KABI USA
    Original approval
    2016-03-15
    Listings
    4
  • Application
    ANDA 207350
    Sponsor
    HQ SPCLT PHARMA
    Original approval
    2017-12-06
    Listings
    5
  • Application
    ANDA 211966
    Sponsor
    BAXTER HLTHCARE CORP
    Original approval
    2020-06-01
    Listings
    5
  • Application
    ANDA 213917
    Sponsor
    GLAND
    Original approval
    2020-07-10
    Listings
    4
  • Application
    ANDA 211965
    Sponsor
    BAXTER HLTHCARE CORP
    Original approval
    2020-08-11
    Listings
    1
  • Application
    ANDA 207966
    Sponsor
    B BRAUN MEDICAL
    Original approval
    2020-10-27
    Listings
    1
  • Application
    ANDA 207967
    Sponsor
    B BRAUN MEDICAL
    Original approval
    2021-04-26
    Listings
    3
  • Application
    ANDA 209642
    Sponsor
    MILLA PHARMS
    Original approval
    2021-11-08
    Listings
    4
  • Application
    ANDA 216597
    Sponsor
    AMNEAL
    Original approval
    2023-02-15
    Listings
    2
  • Application
    ANDA 219777
    Sponsor
    ASPIRO
    Original approval
    2025-05-28
    Listings
    2

Official labeling on DailyMed

Showing the 12 most recent of 88 labels.

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.