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Masoprocol Side Effects

The most commonly reported side effects of masoprocol include asthenia, vomiting, and nausea, based on 163 FDA adverse event reports from 2004 to 2024.

Masoprocol side effects

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

1
Asthenia11.7%19
2
Vomiting8.6%14
3
Nausea8.0%13
4
Hypotension8.0%13
5
Renal Failure Acute6.7%11
6
Pneumonia6.1%10
7
Diarrhoea6.1%10
8
Pyrexia5.5%9
9
Blood Glucose Increased5.5%9
10
Haematocrit Decreased5.5%9
11
Urinary Tract Infection4.9%8
12
Diarrhoea4.9%8
13
Haemoglobin Decreased4.9%8
14
White Blood Cell Count Decreased4.3%7
15
Blood Alkaline Phosphatase Increased4.3%7

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

Report severity

87.7%Serious143 reports
57.7%Hospitalizations94 reports
19.0%Fatal31 reports

Seriousness is determined by the reporter, not by OpenClaim.

Masoprocol drug interactions

Other drugs that appear in adverse event reports alongside masoprocol. 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
Lenalidomide8.0%13
2
Paclitaxel4.3%7
3
Carboplatin4.3%7
4
Heparin4.3%7
5
Teriparatide3.1%5
6
Dabigatran-etexilate-mesylate3.1%5
7
Digoxin2.5%4
8
Prednisone1.8%3
9
Vancomycin1.8%3
10
Cetuximab1.8%3
11
Aztreonam1.8%3
12
Cannabidiol1.8%3
13
Amlodipine1.2%2
14
Ribavirin1.2%2
15
Daptomycin1.2%2

Taken alongside

1
Acetaminophen31.9%52
2
Pantoprazole-sodium23.9%39
3
Furosemide23.3%38
4
Albuterol23.3%38
5
Omeprazole22.7%37
6
Ondansetron20.2%33
7
Aspirin19.6%32
8
Potassium-chloride17.2%28
9
Lisinopril17.2%28
10
Oxycodone17.2%28
11
Ergocalciferol16.6%27
12
Prednisone16.0%26
13
Metoprolol14.7%24
14
Levothyroxine-sodium14.1%23
15
Hydrocodone14.1%23

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 masoprocol side effects

57.1% of masoprocol adverse event reports involve female patients and 39.9% involve male patients. The largest age group is adult at 51%. These figures reflect who reports side effects, not underlying risk.

Sex

Female57.1%
Male39.9%
Unknown3.1%

Age group

< 20.0%
2–112.8%
12–172.8%
18–6451.4%
65+43.1%

What is masoprocol used for

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

AcneClostridial InfectionConstipationDandruffDiarrhoeaDisbacteriosisDrug Use For Unknown IndicationDiarrhoeaGastrointestinal HaemorrhageMedical DietPneumoniaProbiotic TherapyProduct Used For Unknown IndicationProphylaxisProbiotic Therapy

Showing 15 of 18 indications

Masoprocol brand names and reporting trend

Masoprocol is sold under the brand name Actinex.

Brand names

Actinex3

Quarterly reports (20042024)

20052010201520202024

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

Taking masoprocol with another medication?

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