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Magnesium sulfate Side Effects

For the Consumer

Applies to magnesium sulfate: crystal, ointment, powder, powder for solution, powder for suspension

Along with its needed effects, magnesium sulfate may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking magnesium sulfate:

Incidence not known
  • Confusion
  • dizziness or lightheadedness
  • fast, slow, or irregular heartbeat
  • low blood pressure
  • muscle weakness
  • skin infection after soaking
  • sleepiness

Some side effects of magnesium sulfate may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known
  • Diarrhea
  • skin irritation after soaking

For Healthcare Professionals

Applies to magnesium sulfate: injectable solution, intravenous solution, oral and topical powder for reconstitution

Metabolic

Frequency not reported: Hypermagnesemia (signs include drowsiness, loss of reflexes, nausea, vomiting, flushing, thirst, hypotension, hypothermia, bradycardia, confusion, electrolyte and fluid abnormalities, slurred speech, muscle weakness, muscle paralysis, blurred or double vision, CNS depression, respiratory depression, respiratory paralysis, circulatory collapse, renal failure, coma, cardiac arrhythmias, cardiac arrest), hypocalcemia with tetany secondary to hypermagnesemia, alkalosis[Ref]

Gastrointestinal

Frequency not reported: Colic, gastrointestinal irritation, watery diarrhea, paralytic ileus[Ref]

Hypersensitivity

Frequency not reported: Hypersensitivity reactions[Ref]

Local

Frequency not reported: Irritation and pain at the injection site[Ref]

References

1. Cerner Multum, Inc. "Australian Product Information." O 0

2. "Product Information. Magnesium Sulfate (magnesium sulfate)." Abbott Pharmaceutical, Abbott Park, IL.

3. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

Some side effects of magnesium sulfate may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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