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Miglitol Side Effects

The most commonly reported side effects of miglitol include hepatic function abnormal, blood glucose increased, and liver disorder, based on 1,309 FDA adverse event reports from 2004 to 2025.

Miglitol side effects

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

1
Hepatic Function Abnormal4.3%56
2
Blood Glucose Increased3.4%45
3
Liver Disorder3.1%41
4
Hypoglycaemia3.1%40
5
Hypoglycaemia3.0%39
6
Nausea2.8%37
7
Alanine Aminotransferase Increased2.8%37
8
Diarrhoea2.8%36
9
Aspartate Aminotransferase Increased2.6%34
10
Decreased Appetite2.5%33
11
Diabetes Mellitus2.4%32
12
Diarrhoea2.4%31
13
Renal Impairment2.4%31
14
Nausea2.4%31
15
Off Label Use2.4%31

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

Report severity

89.7%Serious1,174 reports
52.7%Hospitalizations690 reports
10.1%Fatal132 reports

Seriousness is determined by the reporter, not by OpenClaim.

Miglitol drug interactions

Other drugs that appear in adverse event reports alongside miglitol. 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
Metformin5.5%72
2
Glimepiride4.7%61
3
Sitagliptin4.7%61
4
Insulin4.0%53
5
Exenatide-synthetic3.8%50
6
Pioglitazone-hydrochloride3.5%46
7
Aspirin2.5%33
8
Amlodipine2.1%27
9
Valsartan2.0%26
10
Prednisolone1.7%22
11
Dapagliflozin1.7%22
12
Rosiglitazone-maleate1.5%19
13
Clopidogrel-bisulfate1.4%18
14
Pembrolizumab1.4%18
15
Tirzepatide1.3%17

Taken alongside

1
Metformin20.0%262
2
Glimepiride19.9%260
3
Insulin19.1%250
4
Amlodipine13.9%182
5
Aspirin13.4%176
6
Pioglitazone-hydrochloride10.5%138
7
Furosemide8.6%113
8
Sitagliptin8.6%112
9
Atorvastatin-calcium8.4%110
10
Rosuvastatin7.6%99
11
Nifedipine5.7%74
12
Valsartan5.5%72
13
Lansoprazole5.2%68
14
Telmisartan5.0%65
15
Bisoprolol-fumarate4.7%62

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 miglitol side effects

38.6% of miglitol adverse event reports involve female patients and 53.5% involve male patients. The largest age group is elderly at 62%. These figures reflect who reports side effects, not underlying risk.

Sex

Female38.6%
Male53.5%
Unknown7.9%

Age group

< 20.0%
2–110.0%
12–170.4%
18–6437.6%
65+62.0%

What is miglitol used for

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

AsthmaBipolar DisorderBlood CholesterolBlood Glucose AbnormalBlood Glucose DecreasedBlood Glucose FluctuationBlood Glucose IncreasedBone Marrow DisorderBlood Glucose AbnormalBlood Glucose IncreasedCarbohydrate Metabolism DisorderDiabetes MellitusDiabetes Mellitus ManagementDiabetes Mellitus Non-insulin-dependentDiabetes Prophylaxis

Showing 15 of 50 indications

Miglitol brand names and reporting trend

Miglitol is sold under the brand name Miglitol.

Brand names

Miglitol1,192

Quarterly reports (20042025)

20052010201520202025

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

Taking miglitol with another medication?

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