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Haloperidol Decanoate Side Effects

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Common Haloperidol Decanoate Side Effects


The most commonly reported Haloperidol Decanoate side effects are:
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If you have experienced a side effect listed above, you can check a box to report it.


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If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Haloperidol Decanoate Side Effects Reported to FDA



Haloperidol Decanoate Side Effect Report#9937253
Electrocardiogram Qt Prolonged, Atrioventricular Block
This is a report of a 66-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: agitation,delirium, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Electrocardiogram Qt Prolonged, Atrioventricular Block after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in female patients, resulting in Electrocardiogram Qt Prolonged side effect.
Haloperidol Decanoate Side Effect Report#9937242
Sinus Arrest, Bradycardia
This report suggests a potential Haloperidol Decanoate Sinus Arrest side effect(s) that can have serious consequences. A 43-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: aggression,agitation and used Haloperidol Decanoate (dosage: NA) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: Sinus Arrest, BradycardiaAdditional drugs used concurrently: NA. Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Sinus Arrest, may still occur.
Haloperidol Decanoate Side Effect Report#9824719
This Death problem was reported by a health professional from US. A 67-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Haloperidol Decanoate (dosage: NA). The following drugs were being taken at the same time:
  • Phenelzine Sulfate
  • Salbutamol
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects:Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Death, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9824717
This Death side effect was reported by a consumer or non-health professional from US. A 37-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Haloperidol Decanoate (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Valproic Acid
  • Lorazepam
  • Clozapine
.After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: These side effects may potentially be related to Haloperidol Decanoate.
Haloperidol Decanoate Side Effect Report#9804455
Atrial Flutter, Hypoxia
This is a report of a 60-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: aggression, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with:
  • Lorazepam
  • Kava-kava Rhizoma
and developed a serious reaction and side effect(s): Atrial Flutter, Hypoxia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in male patients, resulting in Atrial Flutter side effect. The patient was hospitalized.
Haloperidol Decanoate Side Effect Report#9764481
Neuroleptic Malignant Syndrome, Pyrexia, Muscle Rigidity, Tremor, Salivary Hypersecretion, Blood Creatine Phosphokinase Increased, Blood Lactate Dehydrogenase Increased, Leukocytosis, Catatonia
This report suggests a potential Haloperidol Decanoate Neuroleptic Malignant Syndrome side effect(s) that can have serious consequences. A 15-year-old female patient (weight: NA) from PT was diagnosed with the following symptoms/conditions: psychotic disorder and used Haloperidol Decanoate (dosage: NA) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: Neuroleptic Malignant Syndrome, Pyrexia, Muscle Rigidity, Tremor, Salivary Hypersecretion, Blood Creatine Phosphokinase Increased, Blood Lactate Dehydrogenase Increased, Leukocytosis, CatatoniaAdditional drugs used concurrently:
  • Paliperidone
  • Risperidone
  • Olanzapine
The patient was hospitalized. Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Neuroleptic Malignant Syndrome, may still occur.
Haloperidol Decanoate Side Effect Report#9745051
Aplasia
This Aplasia problem was reported by a physician from PT. A 56-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Haloperidol Decanoate (dosage: NA). The following drugs were being taken at the same time:
  • Risperdal (Dose 2 Drops)
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects: AplasiaThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Aplasia, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9719421
Parkinsonism, Tardive Dyskinesia, Erectile Dysfunction
This Parkinsonism side effect was reported by a consumer or non-health professional from US. A 54-year-old male patient (weight:NA) experienced the following symptoms/conditions: schizophrenia.The patient was prescribed Haloperidol Decanoate (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Risperidone
  • Divalproex
.After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: Parkinsonism, Tardive Dyskinesia, Erectile DysfunctionThese side effects may potentially be related to Haloperidol Decanoate.
Haloperidol Decanoate Side Effect Report#9659126
Neuroleptic Malignant Syndrome, Muscle Rigidity, Pyrexia, Autonomic Nervous System Imbalance, Blood Creatine Phosphokinase Increased, Leukocytosis, Sedation, Catatonia, Stupor
This is a report of a 22-year-old female patient (weight: NA) from CL, suffering from the following health symptoms/conditions: psychotic disorder, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with:
  • Risperidone
  • Lorazepam
  • Zolpidem Tartrate
  • Chlorpromazine
and developed a serious reaction and side effect(s): Neuroleptic Malignant Syndrome, Muscle Rigidity, Pyrexia, Autonomic Nervous System Imbalance, Blood Creatine Phosphokinase Increased, Leukocytosis, Sedation, Catatonia, Stupor after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in female patients, resulting in Neuroleptic Malignant Syndrome side effect. The patient was hospitalized.
Haloperidol Decanoate Side Effect Report#9644949
Pulmonary Embolism
This report suggests a potential Haloperidol Decanoate Pulmonary Embolism side effect(s) that can have serious consequences. A 25-year-old male patient (weight: NA) from Country Not Specified was diagnosed with the following symptoms/conditions: psychotic disorder and used Haloperidol Decanoate (dosage: NA) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: Pulmonary EmbolismAdditional drugs used concurrently:
  • Ceftriaxone
  • Diazepam
  • Carbamazepine
  • Carbamazepine
  • Carbamazepine
Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Pulmonary Embolism, may still occur.
Haloperidol Decanoate Side Effect Report#9644575
Pulmonary Embolism
This Pulmonary Embolism problem was reported by a health professional from Country Not Specified. A 59-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: psychotic disorder. On NS this consumer started treatment with Haloperidol Decanoate (dosage: NA). The following drugs were being taken at the same time:
  • Diazepam
  • Ceftriaxone
  • Moduretic
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects: Pulmonary EmbolismAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pulmonary Embolism, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9642402
Pulmonary Embolism
This Pulmonary Embolism side effect was reported by a health professional from Country Not Specified. A 43-year-old male patient (weight:NA) experienced the following symptoms/conditions: psychotic disorder.The patient was prescribed Haloperidol Decanoate (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Diazepam
.After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: Pulmonary EmbolismThese side effects may potentially be related to Haloperidol Decanoate.
Haloperidol Decanoate Side Effect Report#9621219
Hyperpyrexia
This is a report of a 22-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: schizophrenia, paranoid type, who was treated with Haloperidol Decanoate (dosage: Q Monthly/8/16/10 2/5, start time: NS), combined with:
  • Olanzapine
  • Lithium Carbonate
and developed a serious reaction and side effect(s): Hyperpyrexia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in male patients, resulting in Hyperpyrexia side effect.
Haloperidol Decanoate Side Effect Report#9607007
Hypothermia, Weight Decreased, Chills, Fatigue
This report suggests a potential Haloperidol Decanoate Hypothermia side effect(s) that can have serious consequences. A 24-year-old male patient (weight: NA) from IT was diagnosed with the following symptoms/conditions: thinking abnormal and used Haloperidol Decanoate (dosage: NA) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: Hypothermia, Weight Decreased, Chills, FatigueAdditional drugs used concurrently:
  • Valproate Sodium
Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hypothermia, may still occur.
Haloperidol Decanoate Side Effect Report#9541096
Toxicity To Various Agents, Gastrointestinal Necrosis
This Toxicity To Various Agents problem was reported by a health professional from CZ. A 53-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Haloperidol Decanoate (dosage: NA). The following drugs were being taken at the same time:
  • Zotepine
  • Chlorprothixene
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects: Toxicity To Various Agents, Gastrointestinal NecrosisAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Toxicity To Various Agents, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9505919
Schizophrenia
This Schizophrenia side effect was reported by a health professional from US. A 52-year-old female patient (weight:NA) experienced the following symptoms/conditions: schizoaffective disorder.The patient was prescribed Haloperidol Decanoate (drug dosage: 250 Mg Every 21 Days), which was initiated on NS. Concurrently used drugs: NA..After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: SchizophreniaThese side effects may potentially be related to Haloperidol Decanoate. The patient was hospitalized.
Haloperidol Decanoate Side Effect Report#9457525
Neuroleptic Malignant Syndrome, Lobar Pneumonia, Mental Status Changes, Stupor, Tachycardia, Confusional State, Liver Function Test Abnormal, Influenza A Virus Test Positive
This is a report of a 60-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: schizophrenia, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with:
  • Olanzapine
  • Divalproex (valproate Semisodium)
  • Ampicillin
  • Lorazepam
  • Oseltamivir
and developed a serious reaction and side effect(s): Neuroleptic Malignant Syndrome, Lobar Pneumonia, Mental Status Changes, Stupor, Tachycardia, Confusional State, Liver Function Test Abnormal, Influenza A Virus Test Positive after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in male patients, resulting in Neuroleptic Malignant Syndrome side effect. The patient was hospitalized.
Haloperidol Decanoate Side Effect Report#9433896
H1n1 Influenza, Neuroleptic Malignant Syndrome, Confusional State, Mental Status Changes, Tachycardia, Stupor, Pyrexia, White Blood Cell Count Increased, Blood Creatine Phosphokinase Increased
This report suggests a potential Haloperidol Decanoate H1n1 Influenza side effect(s) that can have serious consequences. A 60-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Haloperidol Decanoate (dosage: 200 Mg, Every 4 Weeks) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: H1n1 Influenza, Neuroleptic Malignant Syndrome, Confusional State, Mental Status Changes, Tachycardia, Stupor, Pyrexia, White Blood Cell Count Increased, Blood Creatine Phosphokinase IncreasedAdditional drugs used concurrently:
  • Olanzapine (20 Mg, Per Day)
The patient was hospitalized. Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as H1n1 Influenza, may still occur.
Haloperidol Decanoate Side Effect Report#9421480
Long Qt Syndrome, Torsade De Pointes, Ventricular Fibrillation, Altered State Of Consciousness, Water Intoxication
This Long Qt Syndrome problem was reported by a consumer or non-health professional from US. A 46-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: schizophrenia. On NS this consumer started treatment with Haloperidol Decanoate (dosage: NA). The following drugs were being taken at the same time:
  • Benidipine
  • Tizanidine
  • Fludiazepam
  • Aspirin
  • Sennoside A
  • Chlorpromazine
  • Promethazine
  • Biperiden
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects: Long Qt Syndrome, Torsade De Pointes, Ventricular Fibrillation, Altered State Of Consciousness, Water IntoxicationThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Long Qt Syndrome, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9350741
Ventricular Fibrillation, Cardiac Arrest, Ventricular Tachycardia, Ventricular Extrasystoles
This Ventricular Fibrillation side effect was reported by a consumer or non-health professional from US. A 59-year-old male patient (weight:NA) experienced the following symptoms/conditions: agitation.The patient was prescribed Haloperidol Decanoate (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Dexmedetomidine
  • Dexmedetomidine
  • Milrinone
  • Fentanyl
.After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: Ventricular Fibrillation, Cardiac Arrest, Ventricular Tachycardia, Ventricular ExtrasystolesThese side effects may potentially be related to Haloperidol Decanoate.
Haloperidol Decanoate Side Effect Report#9338044
Teratoma, Mental Status Changes, Psychotic Disorder, Unresponsive To Stimuli, Respiratory Failure, Neuroleptic Malignant Syndrome
This is a report of a 20-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with:
  • Aciclovir
and developed a serious reaction and side effect(s): Teratoma, Mental Status Changes, Psychotic Disorder, Unresponsive To Stimuli, Respiratory Failure, Neuroleptic Malignant Syndrome after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in female patients, resulting in Teratoma side effect.
Haloperidol Decanoate Side Effect Report#9310998
Foetal Exposure During Pregnancy, Small For Dates Baby, Convulsion Neonatal, Developmental Delay, Nervous System Disorder, Tremor, Hyperprolactinaemia, Hepatic Function Abnormal
This report suggests a potential Haloperidol Decanoate Foetal Exposure During Pregnancy side effect(s) that can have serious consequences. A female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Haloperidol Decanoate (dosage: NA) starting NS. After starting Haloperidol Decanoate the patient began experiencing various side effects, including: Foetal Exposure During Pregnancy, Small For Dates Baby, Convulsion Neonatal, Developmental Delay, Nervous System Disorder, Tremor, Hyperprolactinaemia, Hepatic Function AbnormalAdditional drugs used concurrently:
  • Risperidone
  • Olanzapine
  • Quetiapine
  • Chlorpromazine Hydrochloride
  • Triazolam
  • Bromazepam
  • Flunitrazepam
  • Valproate Sodium
The patient was hospitalized. Although Haloperidol Decanoate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Foetal Exposure During Pregnancy, may still occur.
Haloperidol Decanoate Side Effect Report#9300920
Pallor, Malaise, Abnormal Behaviour, Blunted Affect, Decreased Appetite, Drooling, Neuroleptic Malignant Syndrome, Rhabdomyolysis
This Pallor problem was reported by a pharmacist from US. A 56-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: schizophrenia, paranoid type,dementia. On
Apr 18, 2013 this consumer started treatment with Haloperidol Decanoate (dosage: Q28 Days). The following drugs were being taken at the same time:
  • Donepezil
When using Haloperidol Decanoate, the patient experienced the following unwanted symptoms/side effects: Pallor, Malaise, Abnormal Behaviour, Blunted Affect, Decreased Appetite, Drooling, Neuroleptic Malignant Syndrome, RhabdomyolysisThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pallor, may become evident only after a product is in use by the general population.
Haloperidol Decanoate Side Effect Report#9285057
Parkinsonian Gait
This Death side effect was reported by a pharmacist from GB. A 81-year-old male patient (weight:NA) experienced the following symptoms/conditions: psychotic disorder.The patient was prescribed Haloperidol Decanoate (drug dosage: NA), which was initiated on
Aug 27, 2012. Concurrently used drugs: NA..After starting to take Haloperidol Decanoate the consumer reported adverse symptoms, such as: Parkinsonian GaitThese side effects may potentially be related to Haloperidol Decanoate.
Haloperidol Decanoate Side Effect Report#9280855
Akathisia
This is a report of a 24-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Haloperidol Decanoate (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Akathisia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Haloperidol Decanoate treatment in male patients, resulting in Akathisia side effect.


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The appearance of Haloperidol Decanoate on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

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    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Haloperidol Decanoate reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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    Haloperidol Decanoate Safety Alerts, Active Ingredients, Usage Information

    NDC0703-7011
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameHaloperidol Decanoate
    NameHaloperidol Decanoate
    Dosage FormINJECTION
    RouteINTRAMUSCULAR
    On market since19990604
    LabelerTeva Parenteral Medicines, Inc.
    Active Ingredient(s)HALOPERIDOL DECANOATE
    Strength(s)50
    Unit(s)mg/mL
    Pharma ClassTypical Antipsychotic [EPC]

    More About Haloperidol decanoate

    Side Effects reported to FDA: 305

    Haloperidol Decanoate safety alerts: No

    Reported deaths: 22

    Reported hospitalizations: 93

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