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Epsom salt

Generic Name: magnesium sulfate (epsom salt) (mag NEE see um SUL fate)
Brand Name: Epsom Salt
Physician reviewed Epsom Salt patient information - includes Epsom Salt description, dosage and directions.
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Drug Information:
Magnesium is a naturally occurring mineral that is important for many systems in the body especially the muscles and nerves. Epsom Salt also increases water in the intestines. Epsom Salt is used as a laxative to relieve occasional constipation. Not all external uses for Epsom Salt have been approved by the FDA. Epsom salt should not be used in place of medication prescribed for you by your doctor. Epsom Salt may also be used for purposes not listed in this medication guide. Never use a higher dose of Magnesium sulfate than recommended on the package label, or as your doctor has directed. Using too much Epsom Salt can cause serious, life-threatening side effects. Learn more

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Epsom salt Side Effects

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 Epsom Salt.

For the Consumer

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

Along with its needed effects, magnesium sulfate (the active ingredient contained in Epsom Salt) 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

Gastrointestinal

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

Hypersensitivity

Frequency not reported: Hypersensitivity reactions

Local

Frequency not reported: Irritation and pain at the injection site

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.

Source: Drugs.com Epsom Salt (www.drugs.com/mtm/epsom-salt.html).