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Potassium Sulfate Side Effects

The most commonly reported side effects of potassium sulfate include vomiting, nausea, and abdominal distension, based on 4,388 FDA adverse event reports from 2004 to 2025. 8.9% of reports found the drug to be ineffective.

Potassium Sulfate side effects

Percentages show how often each reaction appears relative to total reports for potassium sulfate.

1
Vomiting36.4%1,597
2
Nausea25.7%1,128
3
Drug Ineffective8.9%390
4
Abdominal Distension8.8%388
5
Abdominal Pain8.6%378
6
Headache8.5%372
7
Dizziness5.2%228
8
Abdominal Pain Upper4.3%188
9
Wrong Technique In Product Usage Process3.8%167
10
Tremor3.6%160
11
Retching3.3%144
12
Abdominal Discomfort3.1%137
13
Asthenia2.9%127
14
Chills2.8%125
15
Diarrhoea2.8%121

These are voluntary reports and do not establish that potassium sulfate caused these reactions.

Report severity

16.9%Serious741 reports
6.6%Hospitalizations290 reports
1.0%Fatal45 reports

Seriousness is determined by the reporter, not by OpenClaim.

Potassium Sulfate drug interactions

Other drugs that appear in adverse event reports alongside potassium sulfate. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Magnesium-sulfate85.2%3,738
2
Sodium-sulfate85.1%3,733
3
Lenalidomide1.4%61
4
Dupilumab1.0%44
5
Omeprazole0.8%37
6
Pantoprazole-sodium0.7%31
7
Adalimumab0.7%30
8
Sodium-oxybate0.6%28
9
Esomeprazole0.6%27
10
Tenofovir0.5%24
11
Etanercept0.5%23
12
Apremilast0.5%20
13
Emtricitabine0.5%20
14
Pomalidomide0.4%18
15
Acetaminophen0.4%16

Taken alongside

1
Sodium-sulfate13.3%582
2
Magnesium-sulfate13.2%578
3
Ergocalciferol5.1%225
4
Acetaminophen4.3%190
5
Aspirin4.1%182
6
Fluticasone4.0%176
7
Albuterol3.9%173
8
Levothyroxine-sodium3.9%170
9
Gabapentin3.8%167
10
Omeprazole3.7%162
11
Ondansetron3.6%159
12
Prednisone3.5%152
13
Atorvastatin-calcium3.5%152
14
Metoprolol3.3%143
15
Lisinopril3.1%135

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports potassium sulfate side effects

71.9% of potassium sulfate adverse event reports involve female patients and 26.2% involve male patients. The largest age group is adult at 52%. These figures reflect who reports side effects, not underlying risk.

Sex

Female71.9%
Male26.2%
Unknown2.0%

Age group

< 2<0.1%
2–11<0.1%
12–170.1%
18–6452.5%
65+47.3%

What is potassium sulfate used for

Conditions and purposes for which patients were taking potassium sulfate when the adverse event was reported.

Back PainBladder OperationBlood Potassium DecreasedBowel PreparationBarium EnemaBiopsy ColonBowel PreparationColonic LavageColonoscopyCoronary Artery DiseaseCapsule EndoscopyColectomyColon OperationColonic LavageColonoscopy

Showing 15 of 48 indications

Potassium Sulfate brand names and reporting trend

Potassium Sulfate is sold under the brand name Suclear.

Brand names

Suclear95

Quarterly reports (20042025)

2004201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking potassium sulfate with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.