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Quizartinib Side Effects

The most commonly reported side effects of quizartinib include off label use, no adverse event, and death, based on 511 FDA adverse event reports from 2014 to 2025.

Quizartinib side effects

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

1
Off Label Use11.2%57
2
No Adverse Event9.0%46
3
Death8.8%45
4
Nausea7.0%36
5
Platelet Count Decreased6.5%33
6
Pyrexia6.1%31
7
Infection5.1%26
8
Febrile Neutropenia4.9%25
9
Product Dose Omission Issue4.9%25
10
Electrocardiogram Qt Prolonged4.7%24
11
Disease Progression4.5%23
12
Pneumonia4.3%22
13
Fatigue4.1%21
14
Vomiting3.1%16
15
Asthenia3.1%16

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

Report severity

66.7%Serious341 reports
35.4%Hospitalizations181 reports
17.6%Fatal90 reports

Seriousness is determined by the reporter, not by OpenClaim.

Quizartinib drug interactions

Other drugs that appear in adverse event reports alongside quizartinib. 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
Gilteritinib-fumarate8.4%43
2
Venetoclax6.8%35
3
Azacitidine5.9%30
4
Cytarabine5.7%29
5
Idarubicin-hydrochloride2.9%15
6
Fludarabine-phosphate2.3%12
7
Daunorubicin1.4%7
8
Tacrolimus1.4%7
9
Filgrastim1.2%6
10
Sorafenib-tosylate1.0%5
11
Busulfan1.0%5
12
Prednisone0.8%4
13
Voriconazole0.8%4
14
Azithromycin0.6%3
15
Posaconazole0.6%3

Taken alongside

1
Posaconazole6.5%33
2
Cytarabine6.1%31
3
Acyclovir5.9%30
4
Pantoprazole-sodium2.7%14
5
Acetaminophen2.7%14
6
Levofloxacin2.7%14
7
Azacitidine2.5%13
8
Venetoclax2.5%13
9
Fludarabine-phosphate2.3%12
10
Fluconazole2.2%11
11
Idarubicin-hydrochloride2.2%11
12
Ondansetron2.2%11
13
Ergocalciferol2.0%10
14
Potassium-chloride2.0%10
15
Loratadine2.0%10

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 quizartinib side effects

50.7% of quizartinib adverse event reports involve female patients and 44.2% involve male patients. The largest age group is adult at 62%. These figures reflect who reports side effects, not underlying risk.

Sex

Female50.7%
Male44.2%
Unknown5.1%

Age group

< 20.0%
2–110.0%
12–171.4%
18–6461.7%
65+36.9%

What is quizartinib used for

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

Acute Myeloid LeukaemiaAcute Bilineal LeukaemiaAcute LeukaemiaAcute Leukaemia In RemissionAcute Megakaryocytic LeukaemiaAcute Monocytic LeukaemiaAcute Myeloid LeukaemiaAcute Myeloid Leukaemia (in Remission)Acute Myeloid Leukaemia RecurrentAcute Myeloid Leukaemia RefractoryAcute Myelomonocytic LeukaemiaAcute Promyelocytic LeukaemiaBlood Pressure AbnormalBlood Pressure AbnormalBlood Pressure Management

Showing 15 of 44 indications

Quizartinib brand names and reporting trend

Quizartinib is sold under the brand name Vanflyta.

Brand names

Vanflyta159

Quarterly reports (20142025)

2016202020242025

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

Taking quizartinib with another medication?

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