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May 21, 2012
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Medications and Drugs

Brand Names: Epsom Salt

Generic Name: magnesium sulfate (Pronunciation: mag NEE see um SUL fate)

What is magnesium sulfate (Epsom Salt)?

Magnesium is a naturally occurring mineral. Magnesium is important for many systems in the body especially the muscles and nerves. Magnesium sulfate also increases water in the intestines, which may induce defecation.

Magnesium hydroxide is used as a laxative to relieve occasional constipation (irregularity).

Magnesium sulfate may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of magnesium sulfate (Epsom Salt)?

Stop taking magnesium sulfate and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Other, less serious side effects may be more likely to occur. Continue to take magnesium sulfate and talk to your doctor if you experience diarrhea or upset stomach.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about magnesium sulfate (Epsom Salt)?

Before taking magnesium sulfate, tell your doctor if you have any other medical conditions, allergies, or if you take other medicines or other herbal/health supplements. Magnesium sulfate may not be recommended in some situations.

Do not use magnesium sulfate as a laxative if you have stomach (abdominal) pain, nausea, or vomiting, unless directed by a doctor. If you notice a sudden change in bowel habits that persists over a period of 2 weeks, consult your healthcare provider before using a laxative. Magnesium sulfate should not be used for longer than one week, unless otherwise directed by your healthcare provider. Rectal bleeding or failure to have a bowel movement after use of a laxative may indicate a more serious condition; stop using magnesium sulfate and contact your healthcare provider.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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Brand Names:
Epsom Salt
[+]

Generic Name:
magnesium sulfate
[+]

Prescription Medications Overview

All medications sold in the United States can be divided into two categories:

  • Prescription medications that require a prescription from an authorized prescriber (for example, doctor, nurse practitioner, dentist, etc).
  • Nonprescription or over-the-counter (OTC) medications that do not require a prescription from an authorized prescriber (for example, doctor, nurse practitioner, dentist, etc).

Prescription medications are generally more potent than those sold over-the-counter (OTC), and may have more serious side effects and drug interactions if inappropriately used. Therefore, these medications are only sold under a prescriber's direction. These directions are written or typed on a prescription by the prescriber, then double-checked, packaged, and sold to you by a pharmacist.

Historical Background of Prescription Medications

  • The regulati...

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