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Mitotane Side Effects

The most commonly reported side effects of mitotane include off label use, nausea, and fatigue, based on 1,596 FDA adverse event reports from 2004 to 2025. 7.0% of reports found the drug to be ineffective.

Mitotane side effects

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

1
Off Label Use15.9%253
2
Nausea14.8%237
3
Fatigue13.8%220
4
Diarrhoea8.3%133
5
Vomiting7.1%114
6
Drug Ineffective7.0%111
7
Adrenal Insufficiency6.5%103
8
Decreased Appetite5.5%88
9
Dizziness5.2%83
10
Asthenia5.1%81
11
Malignant Neoplasm Progression4.5%72
12
Drug Interaction4.1%65
13
Disease Progression3.8%61
14
Death3.5%56
15
Neutropenia3.4%55

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

Report severity

74.6%Serious1,191 reports
27.9%Hospitalizations446 reports
13.2%Fatal210 reports

Seriousness is determined by the reporter, not by OpenClaim.

Mitotane drug interactions

Other drugs that appear in adverse event reports alongside mitotane. 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
Etoposide23.7%378
2
Cisplatin20.2%322
3
Doxorubicin-hydrochloride19.9%317
4
Metyrapone6.9%110
5
Hydrocortisone3.8%61
6
Carboplatin3.3%53
7
Pembrolizumab2.9%47
8
Ketoconazole2.8%45
9
Osilodrostat-phosphate2.7%43
10
Gemcitabine1.8%29
11
Capecitabine1.6%25
12
Nivolumab1.5%24
13
Spironolactone1.4%23
14
Bevacizumab1.2%19
15
Fludrocortisone-acetate1.2%19

Taken alongside

1
Hydrocortisone23.7%378
2
Ondansetron10.7%170
3
Amlodipine8.1%129
4
Levothyroxine-sodium7.1%113
5
Acetaminophen6.4%102
6
Fludrocortisone-acetate6.1%98
7
Spironolactone5.6%89
8
Cisplatin5.3%85
9
Etoposide5.1%82
10
Ergocalciferol4.7%75
11
Rosuvastatin4.6%74
12
Omeprazole4.5%72
13
Potassium-chloride4.4%71
14
Doxorubicin-hydrochloride4.2%67
15
Lisinopril4.0%64

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 mitotane side effects

60.7% of mitotane adverse event reports involve female patients and 31.6% involve male patients. The largest age group is adult at 68%. These figures reflect who reports side effects, not underlying risk.

Sex

Female60.7%
Male31.6%
Unknown7.7%

Age group

< 20.8%
2–118.7%
12–173.0%
18–6467.6%
65+20.0%

What is mitotane used for

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

Accidental ExposureAccidental Exposure To ProductActh-producing Pituitary TumourAdenocarcinomaAdjuvant TherapyAdrenal CarcinomaAdrenal DisorderAdrenal Gland CancerAdrenal Gland Cancer MetastaticAdrenal NeoplasmAdrenal Rest Tumour Of The TestisAdrenocortical CarcinomaAbdominal DistensionAdenocarcinomaAdenocarcinoma Metastatic

Showing 15 of 87 indications

Mitotane brand names and reporting trend

Mitotane is sold under the brand name Lysodren.

Brand names

Lysodren925

Quarterly reports (20042025)

20052010201520202025

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

Taking mitotane with another medication?

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