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Magnesium Acetate Side Effects

The most commonly reported side effects of magnesium acetate include rash, diarrhoea, and fatigue, based on 597 FDA adverse event reports from 2004 to 2025. 5.5% of reports found the drug to be ineffective.

Magnesium Acetate side effects

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

1
Rash12.2%73
2
Diarrhoea10.4%62
3
Fatigue9.9%59
4
Constipation7.5%45
5
Nausea6.7%40
6
Dizziness6.5%39
7
Pruritus6.5%39
8
Off Label Use5.7%34
9
Seizure5.7%34
10
Drug Ineffective5.5%33
11
Neuropathy Peripheral5.4%32
12
Lacrimation Increased5.2%31
13
Headache5.0%30
14
Urinary Tract Infection5.0%30
15
Cough4.9%29

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

Report severity

79.7%Serious476 reports
46.1%Hospitalizations275 reports
15.1%Fatal90 reports

Seriousness is determined by the reporter, not by OpenClaim.

Magnesium Acetate drug interactions

Other drugs that appear in adverse event reports alongside magnesium acetate. 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
Sodium-chloride12.9%77
2
Amino-acids12.7%76
3
Potassium-chloride12.7%76
4
Sodium-acetate12.7%76
5
Calcium-acetate12.6%75
6
Glycerin12.6%75
7
Phosphoric-acid12.6%75
8
Trastuzumab6.7%40
9
Docetaxel6.0%36
10
Pertuzumab5.9%35
11
Exemestane5.7%34
12
Aprotinin3.9%23
13
Dexamethasone3.9%23
14
Capecitabine3.5%21
15
Hydrocortisone3.4%20

Taken alongside

1
Sodium-chloride74.9%447
2
Potassium-chloride72.5%433
3
Sodium-acetate69.5%415
4
Amino-acids69.0%412
5
Glycerin69.0%412
6
Calcium-acetate68.8%411
7
Phosphoric-acid68.8%411
8
Acetaminophen30.2%180
9
Hydrocortisone15.9%95
10
Albuterol14.4%86
11
Ondansetron14.1%84
12
Furosemide13.7%82
13
Omeprazole13.6%81
14
Aspirin13.4%80
15
Prednisone12.7%76

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 acetate side effects

55.9% of magnesium acetate adverse event reports involve female patients and 37.7% involve male patients. The largest age group is adult at 53%. These figures reflect who reports side effects, not underlying risk.

Sex

Female55.9%
Male37.7%
Unknown6.4%

Age group

< 21.1%
2–112.1%
12–172.1%
18–6453.2%
65+41.6%

What is magnesium acetate used for

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

Acute Kidney InjuryAntiallergic TherapyBacterial InfectionCardiopulmonary BypassCholestatic PruritusChronic Obstructive Pulmonary DiseaseConstipationCardiac DisorderCutaneous VasculitisDermatitisDermatitis AllergicDermatitis AtopicDermatitis ContactDrug EruptionDrug Reaction With Eosinophilia And Systemic Symptoms

Showing 15 of 98 indications

Magnesium Acetate brand names and reporting trend

Magnesium Acetate is sold under the brand name Aminosyn 3.5% M.

Brand names

Aminosyn 3.5% M83

Quarterly reports (20042025)

20052010201520202025

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

Taking magnesium acetate with another medication?

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