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Ketoprofen Side Effects

The most commonly reported side effects of ketoprofen include headache, pain, and fatigue, based on 15,246 FDA adverse event reports from 2004 to 2025. 5.0% of reports found the drug to be ineffective.

Ketoprofen side effects

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

1
Headache7.3%1,115
2
Pain7.1%1,075
3
Fatigue5.8%877
4
Off Label Use5.4%829
5
Drug Ineffective5.0%769
6
Acute Kidney Injury4.7%721
7
Nausea4.7%716
8
Infusion Site Pain4.4%674
9
Hypersensitivity4.4%665
10
Rash4.3%657
11
Drug Hypersensitivity4.3%649
12
Back Pain4.3%649
13
Rheumatoid Arthritis4.2%647
14
Pyrexia4.2%643
15
Erythema4.2%639

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

Report severity

89.0%Serious13,562 reports
52.2%Hospitalizations7,958 reports
9.4%Fatal1,434 reports

Seriousness is determined by the reporter, not by OpenClaim.

Ketoprofen drug interactions

Other drugs that appear in adverse event reports alongside ketoprofen. 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
Acetaminophen14.9%2,273
2
Treprostinil10.9%1,656
3
Diclofenac7.1%1,081
4
Pantoprazole-sodium6.2%938
5
Ibuprofen6.0%911
6
Adalimumab6.0%908
7
Tocilizumab5.8%891
8
Rituximab5.6%857
9
Abatacept5.6%851
10
Methylprednisolone5.2%798
11
Etanercept5.2%790
12
Tramadol-hydrochloride4.9%740
13
Montelukast-sodium4.8%734
14
Infliximab4.8%733
15
Ranitidine4.7%722

Taken alongside

1
Acetaminophen17.9%2,726
2
Gabapentin13.7%2,092
3
Lidocaine12.8%1,951
4
Amitriptyline-hydrochloride12.5%1,908
5
Clonidine11.9%1,818
6
Ketamine-hydrochloride11.9%1,807
7
Dimyristoyl-lecithin11.0%1,678
8
Omeprazole10.7%1,629
9
Furosemide10.1%1,542
10
Sodium-chloride7.8%1,194
11
Oxygen7.6%1,163
12
Aspirin6.9%1,049
13
Tramadol-hydrochloride6.1%933
14
Levothyroxine-sodium6.1%929
15
Pantoprazole-sodium5.7%874

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 ketoprofen side effects

58.0% of ketoprofen adverse event reports involve female patients and 35.3% involve male patients. The largest age group is adult at 64%. These figures reflect who reports side effects, not underlying risk.

Sex

Female58.0%
Male35.3%
Unknown6.8%

Age group

< 20.6%
2–110.7%
12–173.3%
18–6464.0%
65+31.4%

What is ketoprofen used for

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

Abdominal PainAbdominal Pain UpperAccidentAccident At WorkAcute Lymphocytic LeukaemiaAcute Myeloid LeukaemiaAdiposis DolorosaAdjuvant TherapyAdverse EventAlcoholic HangoverAllergy TestAllergy Test PositiveAnaesthesiaAnaesthesia ProcedureAnalgesia

Showing 15 of 586 indications

Ketoprofen brand names and reporting trend

Ketoprofen is sold under the brand name Ketoprofen.

Brand names

Ketoprofen15,939

Quarterly reports (20042025)

20052010201520202025

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

Taking ketoprofen with another medication?

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