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Magnesium Sulfate Anhydrous Side Effects

The most commonly reported side effects of magnesium sulfate anhydrous include hypotension, pyrexia, and premature delivery, based on 37 FDA adverse event reports from 2005 to 2025.

Magnesium Sulfate Anhydrous side effects

Percentages show how often each reaction appears relative to total reports for magnesium sulfate anhydrous.

1
Hypotension13.5%5
2
Pyrexia8.1%3
3
Premature Delivery8.1%3
4
Cytokine Release Syndrome8.1%3
5
Fungal Sepsis8.1%3
6
Neutropenia8.1%3
7
Immune Effector Cell-associated Neurotoxicity Syndrome8.1%3
8
Pneumonia Aspiration8.1%3
9
Encephalopathy8.1%3
10
Oxygen Saturation Decreased5.4%2
11
Asthenia5.4%2
12
Maternal Exposure During Pregnancy5.4%2
13
Contraindicated Product Administered5.4%2
14
Cardio-respiratory Arrest5.4%2
15
Neutropenic Sepsis5.4%2

These are voluntary reports and do not establish that magnesium sulfate anhydrous caused these reactions.

Report severity

97.3%Serious36 reports
56.8%Hospitalizations21 reports
24.3%Fatal9 reports

Seriousness is determined by the reporter, not by OpenClaim.

Magnesium Sulfate Anhydrous drug interactions

Other drugs that appear in adverse event reports alongside magnesium sulfate anhydrous. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Fluconazole10.8%4
2
Dexamethasone10.8%4
3
Cyclophosphamide8.1%3
4
Fludarabine-phosphate8.1%3
5
Ceftriaxone-sodium8.1%3
6
Ondansetron5.4%2
7
Tipiracil5.4%2
8
Trifluridine5.4%2
9
Aspirin5.4%2
10
Remifentanil-hydrochloride5.4%2
11
Pomalidomide5.4%2
12
Tacrolimus5.4%2
13
Ampicillin2.7%1
14
Sulbactam-sodium2.7%1
15
Clindamycin2.7%1

Taken alongside

1
Acetaminophen29.7%11
2
Pantoprazole-sodium27.0%10
3
Ergocalciferol21.6%8
4
Furosemide18.9%7
5
Aspirin18.9%7
6
Potassium-chloride18.9%7
7
Calcium16.2%6
8
Lorazepam13.5%5
9
Heparin13.5%5
10
Sodium-chloride13.5%5
11
Loratadine13.5%5
12
Methylprednisolone13.5%5
13
Prednisone10.8%4
14
Atorvastatin-calcium10.8%4
15
Hydrocortisone10.8%4

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports magnesium sulfate anhydrous side effects

37.8% of magnesium sulfate anhydrous adverse event reports involve female patients and 51.4% involve male patients. The largest age group is elderly at 47%. These figures reflect who reports side effects, not underlying risk.

Sex

Female37.8%
Male51.4%
Unknown10.8%

Age group

< 23.3%
2–113.3%
12–173.3%
18–6443.3%
65+46.7%

What is magnesium sulfate anhydrous used for

Conditions and purposes for which patients were taking magnesium sulfate anhydrous when the adverse event was reported.

Covid-19Fluid ReplacementGeneral AnaesthesiaHypotoniaHypomagnesaemiaPancreatitis AcutePremature LabourPremedicationProduct Used For Unknown IndicationProduct Used For Unknown IndicationSeizure

Magnesium Sulfate Anhydrous brand names and reporting trend

Magnesium Sulfate Anhydrous is sold under the brand name Magnesium Sulfate Anhydrous; Potassium Sulfate; Sodium Sulfate.

Brand names

Magnesium Sulfate Anhydrous; Potassium Sulfate; Sodium Sulfate37

Quarterly reports (20052025)

20052025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking magnesium sulfate anhydrous with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.