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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

RADIATION THERAPY: 1,267 Adverse Event Reports & Safety Profile

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1,267
Total FAERS Reports
218 (17.2%)
Deaths Reported
260
Hospitalizations
1,267
As Primary/Secondary Suspect
34
Life-Threatening
6
Disabilities

First Report: 1997 · Latest Report: 20250813

What Are the Most Common RADIATION THERAPY Side Effects?

#1 Most Reported
Hot flush
226 reports (17.8%)
#2 Most Reported
Fatigue
195 reports (15.4%)
#3 Most Reported
Injection site pain
103 reports (8.1%)

All RADIATION THERAPY Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Hot flush 226 17.8% 3 23
Fatigue 195 15.4% 13 37
Injection site pain 103 8.1% 2 17
Asthenia 97 7.7% 11 24
Diarrhoea 76 6.0% 5 13
Nausea 75 5.9% 7 24
Dysuria 63 5.0% 2 6
Weight decreased 55 4.3% 4 22
Vomiting 54 4.3% 4 19
Weight increased 50 4.0% 1 10
Pyrexia 45 3.6% 9 13
Radiation pneumonitis 45 3.6% 10 26
Injection site mass 44 3.5% 0 8
Arthralgia 43 3.4% 1 8
Post procedural diarrhoea 41 3.2% 1 2
Dizziness 40 3.2% 2 10
Pain 40 3.2% 7 13
Pollakiuria 39 3.1% 0 3
Death 37 2.9% 37 13
Decreased appetite 35 2.8% 2 14

Who Reports RADIATION THERAPY Side Effects? Age & Gender Data

Gender: 23.6% female, 76.4% male. Average age: 62.0 years. Most reports from: US. View detailed demographics →

Is RADIATION THERAPY Getting Safer? Reports by Year

YearReportsDeathsHosp.
2000 1 0 0
2001 2 0 0
2002 1 0 0
2003 2 0 1
2004 1 0 1
2005 1 0 1
2006 1 1 1
2008 1 0 1
2009 4 1 2
2010 9 2 4
2011 8 1 5
2012 5 2 2
2013 17 4 11
2014 36 4 23
2015 11 1 8
2016 15 2 10
2017 19 2 10
2018 31 7 18
2019 42 8 30
2020 24 6 11
2021 59 5 18
2022 102 6 14
2023 92 3 18
2024 66 0 10
2025 10 1 4

View full timeline →

What Is RADIATION THERAPY Used For?

IndicationReports
Product used for unknown indication 338
Prostate cancer 139
Non-small cell lung cancer 81
Bone marrow conditioning regimen 46
Breast cancer 30
Cervix carcinoma 30
Small cell lung cancer 24
Non-small cell lung cancer stage iii 23
Oesophageal carcinoma 23
Pancreatic carcinoma 19

RADIATION THERAPY vs Alternatives: Which Is Safer?

RADIATION THERAPY vs RADIUM RA-223 DICHLORIDE RADIATION THERAPY vs RALOXIFENE RADIATION THERAPY vs RALTEGRAVIR RADIATION THERAPY vs RALTITREXED RADIATION THERAPY vs RAMELTEON RADIATION THERAPY vs RAMIPRIL RADIATION THERAPY vs RAMUCIRUMAB RADIATION THERAPY vs RANEXA RADIATION THERAPY vs RANIBIZUMAB RADIATION THERAPY vs RANIMUSTINE

Official FDA Label for RADIATION THERAPY

Official prescribing information from the FDA-approved drug label.