Magnesium sulfate 10% (magnesium 0.4mmol/ml) solution for infusion 50ml vials
Requires a prescription from a doctor or prescriber
A small colorless crystal used as an anticonvulsant, a cathartic, and an electrolyte replenisher in the treatment of pre-eclampsia and eclampsia.
Official documents, adverse reaction reporting, and safety monitoring
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Official medicine documents
Safety monitoring data
Yellow Card reports
The MHRA Yellow Card scheme collects reports of suspected side effects from healthcare professionals and patients. View the Drug Analysis Profile (iDAP) for real-world adverse reaction data.
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Suspected adverse reactions reported for Magnesium sulfate
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Report a side effect
Submit a Yellow Card report to the MHRA
Data from the MHRA Yellow Card scheme. A reported reaction does not necessarily mean the medicine caused it. Contains public sector information licensed under the Open Government Licence v3.0.
EudraVigilance
The European Medicines Agency (EMA) collects suspected adverse reaction reports from across the EU/EEA through the EudraVigilance system. Search for safety data on this medicine.
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Suspected adverse reactions reported for Magnesium sulfate
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EudraVigilance data is published by the European Medicines Agency (EMA). A suspected adverse reaction is not necessarily caused by the medicine.
1 branded products available
MHRA licensed products
View all licensed products for Magnesium sulfate on the MHRA register
Magnesium sulfate 10% (magnesium 0.4mmol/ml) solution for infusion 50ml vials
Therapeutically similar medicines
Similarity based on WHO Anatomical Therapeutic Chemical (ATC) classification and NHS BNF section grouping. Source data: NHS dm+d via TRUD (OGL v3.0), WHO ATC/DDD Index.
Clinical guidelines and formulary information
British National Formulary
Magnesium sulfate
Source: British National Formulary, NICE. Joint Formulary Committee. Contains public sector information licensed under the Open Government Licence v3.0.
NICE clinical guidance(5)
Preterm labour and birth (NG25)
Preterm labour and birth (QS135)
Hypertension in pregnancy: diagnosis and management (NG133)
Preventing recurrent hypomagnesaemia: oral magnesium glycerophosphate (ESUOM4)
Caesarean birth (NG192)
Source: National Institute for Health and Care Excellence (NICE). Contains public sector information licensed under the Open Government Licence v3.0.
Check stock at pharmacies and supply information
Pharmacy stock checkers
Search for this medicine at major UK pharmacy chains. These links open the retailer's own website — results depend on their current online catalogue.
Supply & product information
Official product databases and supply status monitoring
Pharmacy links redirect to the retailer's own search and do not represent real-time stock levels. emc (electronic medicines compendium) is operated by Datapharm Ltd. Shortage information sourced from NHS Specialist Pharmacy Service (SPS), sps.nhs.uk.
Codes for healthcare professionals and prescribing systems
These codes are used by healthcare IT systems and prescribers to identify this medicine.
NHS UK identifiers
Browse tools
SNOMED CT and dm+d codes from NHS TRUD (Technology Reference data Update Distribution), licensed under the Open Government Licence v3.0. BNF codes from NHS Business Services Authority (NHSBSA). ATC codes from the WHO Collaborating Centre for Drug Statistics Methodology (whocc.no).
Active and completed clinical studies from ClinicalTrials.gov
Source: ClinicalTrials.gov, a database of the U.S. National Library of Medicine (NLM), National Institutes of Health (NIH). Data accessed via ClinicalTrials.gov API v2. Trial information is provided for research purposes and does not constitute medical advice.
Pharmacology and chemical data from DrugBank
Key facts
Drug status
Approved
Major interactions
33 found
Half-life
43.2 hours
Mechanism
Magnesium is the second most plentiful cation of the intracellular fluids.
Food interactions
None known
Human targets
1 target
Data: DrugBank · CC BY-NC 4.0
Pharmacokinetics at a glance
Half-life
43.2 hours
Protein binding
25-30%
Metabolism
Elimination
Pharmacokinetic data: DrugBank · CC BY-NC 4.0
Known interactions with other medications. Always consult a healthcare professional.
Showing 50 of 1614 interactions
Adverse reactions include hypotension, ECG changes, diarrhea, urinary retention, CNS depression and respiratory depression.
How the body processes this drug — absorption, distribution, metabolism, and elimination
Proteins and enzymes this drug interacts with in the body
They are however insensitive to dihydropyridines (DHP)
ATC A06AD04
ATC V04CC02
ATC D11AX05
ATC B05XA05
ATC A12CC02
Chemical identifiers
CAS, UNII, InChI Key and database cross-references
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Chemical identifiers
CAS, UNII, InChI Key and database cross-references
Linked compound data from DrugBank Open Data (CC BY-NC 4.0)
Magnesium sulfate
Additional database identifiers
Drugs Product Database (DPD)
8750
Drugs Product Database (DPD)
6487
ChemSpider
22515
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1390
GenAtlas
CACNA1C
GeneCards
CACNA1C
GenBank Gene Database
M92270
Guide to Pharmacology
529
UniProt Accession
CAC1C_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1391
GenAtlas
CACNA1D
GeneCards
CACNA1D
GenBank Gene Database
M76558
GenBank Protein Database
179764
Guide to Pharmacology
530
UniProt Accession
CAC1D_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1393
GenAtlas
CACNA1F
GeneCards
CACNA1F
GenBank Gene Database
AJ006216
GenBank Protein Database
3183953
Guide to Pharmacology
531
UniProt Accession
CAC1F_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1397
GenAtlas
CACNA1S
GeneCards
CACNA1S
GenBank Gene Database
U30707
GenBank Protein Database
1698403
Guide to Pharmacology
528
UniProt Accession
CAC1S_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1401
GenAtlas
CACNB1
GeneCards
CACNB1
GenBank Gene Database
M92303
GenBank Protein Database
179806
UniProt Accession
CACB1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1402
GenAtlas
CACNB2
GeneCards
CACNB2
GenBank Gene Database
S60415
GenBank Protein Database
300417
UniProt Accession
CACB2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1403
GenAtlas
CACNB3
GeneCards
CACNB3
GenBank Gene Database
X76555
GenBank Protein Database
435135
UniProt Accession
CACB3_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1404
GenAtlas
CACNB4
GeneCards
CACNB4
GenBank Gene Database
U95020
GenBank Protein Database
2058727
UniProt Accession
CACB4_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:1388
GenAtlas
CACNA1A
GeneCards
CACNA1A
GenBank Gene Database
AF004884
GenBank Protein Database
2213913
UniProt Accession
CAC1A_HUMAN
International reference pricing
Reference pricing from DrugBank. Prices are indicative and may not reflect current UK costs.
Source: DrugBank. Used under CC BY-NC 4.0 academic licence for non-commercial purposes.
Patent information
8 active patents, 1 expired
Source: DrugBank · CC BY-NC 4.0. Patent data sourced from national patent offices. Expiry dates may not reflect extensions, regulatory exclusivity periods, or legal challenges.
DrugBank citations
If you use DrugBank data in your research, please cite the following publications: