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Fruquintinib Side Effects

The most commonly reported side effects of fruquintinib include death, fatigue, and colon cancer, based on 3,081 FDA adverse event reports from 2019 to 2025. 3.2% of reports found the drug to be ineffective.

Fruquintinib side effects

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

1
Death24.3%750
2
Fatigue13.8%424
3
Colon Cancer10.4%321
4
Colorectal Cancer Metastatic9.7%298
5
Blood Pressure Increased8.0%248
6
Diarrhoea7.9%244
7
Asthenia6.8%208
8
Decreased Appetite6.7%205
9
Dysphonia6.3%195
10
Nausea5.1%157
11
Myelosuppression5.0%153
12
Hypertension4.7%146
13
Off Label Use4.7%146
14
Pain4.5%139
15
Palmar-plantar Erythrodysaesthesia Syndrome3.6%110

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

Report severity

95.8%Serious2,953 reports
29.2%Hospitalizations899 reports
34.0%Fatal1,046 reports

Seriousness is determined by the reporter, not by OpenClaim.

Fruquintinib drug interactions

Other drugs that appear in adverse event reports alongside fruquintinib. 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
Bevacizumab2.1%64
2
Capecitabine1.6%50
3
Oxaliplatin1.0%31
4
Trifluridine0.9%28
5
Tipiracil0.9%27
6
Irinotecan-hydrochloride0.8%25
7
Tislelizumab-jsgr0.8%24
8
Fluorouracil0.6%19
9
Regorafenib0.5%14
10
Panitumumab0.4%12
11
Paclitaxel0.3%9
12
Levoleucovorin0.2%7
13
Cetuximab0.2%6
14
Pembrolizumab0.2%6
15
Toripalimab-tpzi0.2%5

Taken alongside

1
Ondansetron6.8%210
2
Acetaminophen5.7%175
3
Amlodipine5.1%156
4
Oxycodone4.5%140
5
Prochlorperazine4.3%131
6
Gabapentin3.4%104
7
Apixaban3.3%102
8
Ergocalciferol3.1%94
9
Omeprazole2.9%89
10
Pantoprazole-sodium2.9%89
11
Loperamide-hydrochloride2.9%88
12
Atorvastatin-calcium2.4%73
13
Lisinopril2.3%70
14
Levothyroxine-sodium2.3%70
15
Metoprolol2.2%69

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 fruquintinib side effects

40.1% of fruquintinib adverse event reports involve female patients and 52.6% involve male patients. The largest age group is adult at 51%. These figures reflect who reports side effects, not underlying risk.

Sex

Female40.1%
Male52.6%
Unknown7.3%

Age group

< 2<0.1%
2–110.0%
12–170.0%
18–6450.5%
65+49.4%

What is fruquintinib used for

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

AdenocarcinomaAdenocarcinoma Of ColonAcute Kidney InjuryAdenocarcinomaAdenocarcinoma GastricAdenocarcinoma MetastaticAdenocarcinoma Of ColonAdenocarcinoma PancreasAgranulocytosisAnaemiaAnaemia Vitamin B12 DeficiencyAnal CancerAppendix CancerBile Duct CancerBladder Cancer

Showing 15 of 104 indications

Fruquintinib brand names and reporting trend

Fruquintinib is sold under the brand name Fruzaqla.

Brand names

Fruzaqla3,932

Quarterly reports (20192025)

20192020202220242025

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

Taking fruquintinib with another medication?

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