The following adverse reactions relating to the active moiety haloperidol have been identified during postapproval use of haloperidol or haloperidol decanoate. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Blood and Lymphatic System Disorders:Pancytopenia, Agranulocytosis, Thrombocytopenia, Leukopenia, Neutropenia
Cardiac Disorders:Ventricular fibrillation, Torsade de pointes, Ventricular tachycardia, Extrasystoles
Endocrine Disorders:Inappropriate antidiuretic hormone secretion
Gastrointestinal Disorders:Vomiting, Nausea
General Disorders and Administration Site Conditions:Sudden death, Face edema, Edema, Hyperthermia, Hypothermia, Injection site abscess
Hepatobiliary Disorders:Acute hepatic failure, Hepatitis, Cholestasis, Jaundice, Liver function test abnormal
Immune System Disorders:Anaphylactic reaction, Hypersensitivity
Investigations:Electrocardiogram QT prolonged, Weight decreased
Metabolic and Nutritional Disorders:Hypoglycemia
Musculoskeletal and Connective Tissue Disorders:Rhabdomyolysis
Nervous System Disorders:Convulsion, Opisthotonus, Tardive dystonia
Pregnancy, Puerperium and Perinatal Conditions:Drug withdrawal syndrome neonatal
Psychiatric Disorders:Agitation, Confusional state, Depression, Insomnia
Renal and Urinary Disorders:Urinary retention
Reproductive System and Breast Disorders:Priapism, Gynecomastia
Respiratory, Thoracic and Mediastinal Disorders:Laryngeal edema, Bronchospasm, Laryngospasm, Dyspnea
Skin and Subcutaneous Tissue Disorders:Angioedema, Dermatitis exfoliative, Hypersensitivity vasculitis, Photosensitivity reaction, Urticaria, Pruritus, Rash, Hyperhidrosis
To report SUSPECTED ADVERSE REACTIONS, contact Meitheal Pharmaceuticals, Inc. at 1-844-824-8426 or FDA at 1-800-FDA-1088 or
www.fda.gov/medwatch.