Sulfamag Side Effects
Generic Name: magnesium sulfate
Note: This document contains side effect information about magnesium sulfate. Some of the dosage forms listed on this page may not apply to the brand name Sulfamag.
For the Consumer
Applies to magnesium sulfate: crystal, ointment, powder, powder for solution, powder for suspension
Along with its needed effects, magnesium sulfate (the active ingredient contained in Sulfamag) 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
- dizziness or lightheadedness
- fast, slow, or irregular heartbeat
- low blood pressure
- muscle weakness
- skin infection after soaking
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
- skin irritation after soaking
For Healthcare Professionals
Applies to magnesium sulfate: injectable solution, intravenous solution, oral and topical powder for reconstitution
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]
Frequency not reported: Colic, gastrointestinal irritation, watery diarrhea, paralytic ileus[Ref]
Frequency not reported: Hypersensitivity reactions[Ref]
Frequency not reported: Irritation and pain at the injection site[Ref]
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 Sulfamag may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
More about Sulfamag (magnesium sulfate)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
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- Drug class: laxatives
Other brands: Epsom Salt
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