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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.

Heparin — Common Side Effects

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Side Effect Total Reports Drugs Deaths Hosp. Life-Threat.
Off label use 2,059 2 447 844 226
Exposure during pregnancy 1,282 2 30 255 22
Haemorrhage 1,134 2 130 712 95
Anaemia 1,129 2 209 900 213
Foetal exposure during pregnancy 1,053 2 157 259 58
Nausea 1,024 2 455 549 184
Dyspnoea 1,010 2 388 589 165
Thrombocytopenia 946 2 141 585 112
Maternal exposure during pregnancy 920 2 30 190 49
Drug ineffective 905 2 182 497 167
Pulmonary embolism 833 2 288 527 220
Abdominal pain 803 2 464 385 151
Vomiting 773 2 428 372 150
Premature baby 769 2 115 210 60
Condition aggravated 765 2 319 471 192
Pyrexia 744 2 258 455 98
Haematoma 719 2 70 493 70
Sepsis 679 2 571 240 131
Fatigue 673 2 225 297 36
Death 668 2 664 141 88
Gastrointestinal haemorrhage 667 2 163 488 102
Acute kidney injury 662 2 175 491 114
Haemoglobin decreased 632 2 88 464 121
Pruritus 617 2 229 183 21
Diarrhoea 614 2 275 259 64
Headache 601 2 296 180 59
Haematuria 600 2 220 319 26
Injection site pain 587 2 6 42 5
Device malfunction 577 2 0 8 5
Product use in unapproved indication 574 2 120 254 86
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