Magnesium sulfate / potassium sulfate / sodium sulfate Side Effects
Medically reviewed by Drugs.com. Last updated on Apr 29, 2023.
Applies to magnesium sulfate / potassium sulfate / sodium sulfate: oral solution.
Serious side effects
Along with its needed effects, magnesium sulfate/potassium sulfate/sodium 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 / potassium sulfate / sodium sulfate:
Rare
- Dizziness
- fainting
- fast, slow, or uneven heartbeat
Incidence not known
- Bloody stools
- confusion
- decreased urination
- diarrhea
- drowsiness
- dry mouth
- fainting
- increase in heart rate
- lightheadedness
- loss of appetite
- mood or mental changes
- nausea
- rapid breathing
- rectal bleeding
- seizures
- stomach pain and tenderness
- sunken eyes
- swelling of the eyelids, face, lips, ankles, hands, or feet
- thirst
- trouble breathing
- unusual tiredness or weakness
- vomiting
- wrinkled skin
Other side effects
Some side effects of magnesium sulfate / potassium sulfate / sodium 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:
More common
- Full or bloated feeling
- pressure in the stomach
- swelling of the stomach area
Less common
For Healthcare Professionals
Applies to magnesium sulfate / potassium sulfate / sodium sulfate: oral liquid.
General
The most commonly reported side effects included overall discomfort, abdominal distention, abdominal pain, and nausea.[Ref]
Gastrointestinal
Very common (10% or more): Abdominal distention (up to 40%), abdominal pain (up to 36%), nausea (up to 36%)
Common (1% to 10%): Abdominal bloating, vomiting
Frequency not reported: Colonic mucosal ulceration, ischemic colitis[Ref]
Other
Very common (10% or more): Overall discomfort (up to 54%)[Ref]
Metabolic
Very common (10% or more): Low bicarbonate levels (up to 13%)
Common (1% to 10%): High calcium levels, high chloride levels, high osmolality, high uric acid
Frequency not reported: High potassium levels, serious electrolyte and fluid abnormalities[Ref]
Renal
Very common (10% or more): High blood urea nitrogen (BUN) (up to 11%)
Frequency not reported: High creatinine levels[Ref]
Hepatic
Common (1% to 10%):High total bilirubin[Ref]
Cardiovascular
Frequency not reported: Atrioventricular block, cardiac arrhythmias[Ref]
Nervous system
Frequency not reported: Seizures[Ref]
Respiratory
Frequency not reported: Aspiration[Ref]
Musculoskeletal
Frequency not reported: CK increase[Ref]
More about magnesium sulfate / potassium sulfate / sodium sulfate
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- Dosage information
- During pregnancy
- Drug class: laxatives
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Patient resources
- Magnesium sulfate, potassium sulfate, and sodium sulfate drug information
- Sodium sulfate, potassium sulfate, and magnesium sulfate (Advanced Reading)
- Sodium Sulfate, Potassium Sulfate, and Magnesium Sulfate
Other brands
Suprep Bowel Prep Kit, ColPrep Kit
Professional resources
Other brands
Suprep Bowel Prep Kit, ColPrep Kit
Related treatment guides
References
1. Product Information. Suprep Bowel Prep Kit (magnesium/potassium/sodium sulfates). Braintree Laboratories. 2010.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.
