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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.

HER2/Neu/cerbB2 Antagonists [MoA] — Common Side Effects

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Side Effect Total Reports Drugs Deaths Hosp. Life-Threat.
Diarrhoea 8,339 2 796 3,849 381
Off label use 5,688 2 1,174 1,800 180
Nausea 5,168 2 605 2,318 125
Fatigue 5,089 2 693 2,105 143
Myelosuppression 3,863 2 13 1,747 142
Disease progression 3,591 2 1,090 768 80
Vomiting 3,340 2 393 1,837 175
Death 3,185 2 3,183 314 57
Dyspnoea 2,997 2 319 1,611 198
Pyrexia 2,812 2 278 1,663 118
Neuropathy peripheral 2,716 2 389 842 56
Asthenia 2,551 2 380 998 91
Neutropenia 2,483 2 405 898 195
Alopecia 2,265 2 286 579 55
Ejection fraction decreased 2,223 2 221 642 107
Rash 2,203 2 73 598 85
Anaemia 2,184 2 220 883 201
Headache 2,048 2 172 900 60
Decreased appetite 1,847 2 256 911 49
Metastases to central nervous system 1,720 2 247 267 34
Febrile neutropenia 1,714 2 244 1,108 203
Pain 1,573 2 150 635 54
Pneumonia 1,516 2 377 998 112
Drug ineffective 1,516 2 174 230 61
Cough 1,496 2 253 732 95
Chills 1,482 2 66 484 93
No adverse event 1,473 2 3 2 0
Thrombocytopenia 1,467 2 228 523 132
Constipation 1,456 2 195 724 47
Weight decreased 1,422 2 188 648 36
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