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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.

Competitive Opioid Antagonists [MoA] — Common Side Effects

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Side Effect Total Reports Drugs Deaths Hosp. Life-Threat.
Dependence 329 2 56 2 1
Drug hypersensitivity 255 2 0 3 0
Overdose 211 2 48 6 0
Drug ineffective 98 2 1 10 5
Death 62 1 62 0 0
Off label use 47 2 1 7 4
Product dose omission issue 42 1 0 1 0
Drug dependence 41 2 6 8 0
Nausea 34 2 1 6 1
Foetal exposure during pregnancy 31 2 1 6 1
Pain 30 2 1 2 0
Anxiety 29 2 2 2 0
Withdrawal syndrome 28 1 4 1 0
Product quality issue 28 1 0 0 0
Somnolence 27 2 1 8 0
Vomiting 26 2 1 6 1
Depression 25 1 4 0 0
Ill-defined disorder 22 1 3 0 0
Maternal exposure during pregnancy 20 2 0 2 0
Pruritus 18 2 0 1 0
Product dose omission 17 1 0 0 0
Disability 16 2 1 1 0
Feeling abnormal 15 2 0 3 0
Drug withdrawal syndrome neonatal 15 2 0 5 0
Urticaria 14 2 0 0 4
Post-traumatic stress disorder 14 1 1 2 1
Product use issue 13 2 0 5 2
Pancreatitis acute 13 1 0 12 0
Headache 13 2 1 1 0
Product packaging quantity issue 12 1 0 0 0
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