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Haloperidol Decanoate Side Effects

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.

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.

Haloperidol Decanoate Side Effects Reported to FDA

The following 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.


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.
Electrocardiogram Qt Prolonged, Atrioventricular Block
on Mar 02, 2014 Female from US , 66 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: electrocardiogram qt prolonged, atrioventricular block. Haloperidol Decanoate dosage: N/A.

Sinus Arrest, Bradycardia
Patient was taking Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: sinus arrest, bradycardia on Mar 02, 2014 from US Additional patient health information: Male , 43 years of age, was diagnosed with and. Haloperidol Decanoate dosage: N/A.


Adverse event was reported on Jan 17, 2014 by a Female taking Haloperidol Decanoate (Dosage: N/A) . Location: US , 67 years of age, .
Multiple concurrent drugs taken:
  • Phenelzine Sulfate
  • Salbutamol



on Jan 30, 2014 Male from US , 37 years of age, was treated with Haloperidol Decanoate. . Haloperidol Decanoate dosage: N/A.
Associated medications used:
  • Valproic Acid
  • Lorazepam
  • Clozapine



Atrial Flutter, Hypoxia
on Jan 13, 2014 Male from US , 60 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: atrial flutter, hypoxia. Haloperidol Decanoate dosage: N/A.
Multiple prescriptions taken:
  • Lorazepam
  • Kava-kava Rhizoma
Patient was hospitalized.

Neuroleptic Malignant Syndrome, Pyrexia, Muscle Rigidity, Tremor, Salivary Hypersecretion, Blood Creatine Phosphokinase Increased, Blood Lactate Dehydrogenase Increased, Leukocytosis, Catatonia
Patient was taking Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: neuroleptic malignant syndrome, pyrexia, muscle rigidity, tremor, salivary hypersecretion, blood creatine phosphokinase increased, blood lactate dehydrogenase increased, leukocytosis, catatonia on Dec 17, 2013 from PT Additional patient health information: Female , 15 years of age, was diagnosed with and. Haloperidol Decanoate dosage: N/A.
Multiple concurrent drugs taken:
  • Paliperidone
  • Risperidone
  • Olanzapine
Patient was hospitalized.

Aplasia
Adverse event was reported on Dec 11, 2013 by a Male taking Haloperidol Decanoate (Dosage: N/A) . Location: PT , 56 years of age, Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: aplasia.
Associated medications used:
  • Risperdal (Dose 2 Drops)
Patient was hospitalized.

Parkinsonism, Tardive Dyskinesia, Erectile Dysfunction
on Nov 28, 2013 Male from US , 54 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: parkinsonism, tardive dyskinesia, erectile dysfunction. Haloperidol Decanoate dosage: N/A.
Multiple prescriptions taken:
  • Risperidone
  • Divalproex


Neuroleptic Malignant Syndrome, Muscle Rigidity, Pyrexia, Autonomic Nervous System Imbalance, Blood Creatine Phosphokinase Increased, Leukocytosis, Sedation, Catatonia, Stupor
on Oct 31, 2013 Female from CL , 22 years of age, was diagnosed with and was treated with Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: neuroleptic malignant syndrome, muscle rigidity, pyrexia, autonomic nervous system imbalance, blood creatine phosphokinase increased, leukocytosis, sedation, catatonia, stupor. Haloperidol Decanoate dosage: N/A.
Multiple concurrent drugs taken:
  • Risperidone
  • Lorazepam
  • Zolpidem Tartrate
  • Chlorpromazine
Patient was hospitalized.

Pulmonary Embolism
Patient was taking Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: pulmonary embolism on Oct 25, 2013 from COUNTRY NOT SPECIFIED Additional patient health information: Male , 25 years of age, was diagnosed with and. Haloperidol Decanoate dosage: N/A.
Associated medications used:
  • Ceftriaxone
  • Diazepam
  • Carbamazepine
  • Carbamazepine
  • Carbamazepine


Pulmonary Embolism
Adverse event was reported on Oct 25, 2013 by a Male taking Haloperidol Decanoate (Dosage: N/A) was diagnosed with and. Location: COUNTRY NOT SPECIFIED , 59 years of age, Patient felt the following Haloperidol Decanoate side effects: pulmonary embolism.
Multiple prescriptions taken:
  • Diazepam
  • Ceftriaxone
  • Moduretic


Pulmonary Embolism
on Oct 24, 2013 Male from COUNTRY NOT SPECIFIED , 43 years of age, was diagnosed with and was treated with Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: pulmonary embolism. Haloperidol Decanoate dosage: N/A.
Multiple concurrent drugs taken:
  • Diazepam


Hyperpyrexia
on Oct 11, 2013 Male from US , 22 years of age, weighting 210.0 lb, was diagnosed with and was treated with Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: hyperpyrexia. Haloperidol Decanoate dosage: Q Monthly/8/16/10 2/5.
Associated medications used:
  • Olanzapine
  • Lithium Carbonate


Hypothermia, Weight Decreased, Chills, Fatigue
Patient was taking Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: hypothermia, weight decreased, chills, fatigue on Oct 09, 2013 from IT Additional patient health information: Male , 24 years of age, was diagnosed with and. Haloperidol Decanoate dosage: N/A.
Multiple prescriptions taken:
  • Valproate Sodium


Toxicity To Various Agents, Gastrointestinal Necrosis
Adverse event was reported on Sep 23, 2013 by a Female taking Haloperidol Decanoate (Dosage: N/A) . Location: CZ , 53 years of age, weighting 132.3 lb, After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: toxicity to various agents, gastrointestinal necrosis.
Multiple concurrent drugs taken:
  • Zotepine
  • Chlorprothixene


Schizophrenia
on Feb 13, 2013 Female from US , 52 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: schizophrenia. Haloperidol Decanoate dosage: 250 Mg Every 21 Days. Patient was hospitalized.

Neuroleptic Malignant Syndrome, Lobar Pneumonia, Mental Status Changes, Stupor, Tachycardia, Confusional State, Liver Function Test Abnormal, Influenza A Virus Test Positive
on Aug 09, 2013 Male from US , 60 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: neuroleptic malignant syndrome, lobar pneumonia, mental status changes, stupor, tachycardia, confusional state, liver function test abnormal, influenza a virus test positive. Haloperidol Decanoate dosage: N/A.
Multiple prescriptions taken:
  • Olanzapine
  • Divalproex (valproate Semisodium)
  • Ampicillin
  • Lorazepam
  • Oseltamivir
Patient was hospitalized.

H1n1 Influenza, Neuroleptic Malignant Syndrome, Confusional State, Mental Status Changes, Tachycardia, Stupor, Pyrexia, White Blood Cell Count Increased, Blood Creatine Phosphokinase Increased
Patient was taking Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: h1n1 influenza, neuroleptic malignant syndrome, confusional state, mental status changes, tachycardia, stupor, pyrexia, white blood cell count increased, blood creatine phosphokinase increased on Aug 01, 2013 from US Additional patient health information: Male , 60 years of age, . Haloperidol Decanoate dosage: 200 Mg, Every 4 Weeks.
Multiple concurrent drugs taken:
  • Olanzapine (20 Mg, Per Day)
Patient was hospitalized.

Long Qt Syndrome, Torsade De Pointes, Ventricular Fibrillation, Altered State Of Consciousness, Water Intoxication
Adverse event was reported on Jul 26, 2013 by a Female taking Haloperidol Decanoate (Dosage: N/A) was diagnosed with and. Location: US , 46 years of age, Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: long qt syndrome, torsade de pointes, ventricular fibrillation, altered state of consciousness, water intoxication.
Associated medications used:
  • Benidipine
  • Tizanidine
  • Fludiazepam
  • Aspirin
  • Sennoside A
  • Chlorpromazine
  • Promethazine
  • Biperiden
Patient was hospitalized.

Ventricular Fibrillation, Cardiac Arrest, Ventricular Tachycardia, Ventricular Extrasystoles
on Jun 17, 2013 Male from US , 59 years of age, was diagnosed with and was treated with Haloperidol Decanoate. Patient felt the following Haloperidol Decanoate side effects: ventricular fibrillation, cardiac arrest, ventricular tachycardia, ventricular extrasystoles. Haloperidol Decanoate dosage: N/A.
Multiple prescriptions taken:
  • Dexmedetomidine
  • Dexmedetomidine
  • Milrinone
  • Fentanyl


Teratoma, Mental Status Changes, Psychotic Disorder, Unresponsive To Stimuli, Respiratory Failure, Neuroleptic Malignant Syndrome
on Jun 10, 2013 Female from US , 20 years of age, was treated with Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: teratoma, mental status changes, psychotic disorder, unresponsive to stimuli, respiratory failure, neuroleptic malignant syndrome. Haloperidol Decanoate dosage: N/A.
Multiple concurrent drugs taken:
  • Aciclovir


Foetal Exposure During Pregnancy, Small For Dates Baby, Convulsion Neonatal, Developmental Delay, Nervous System Disorder, Tremor, Hyperprolactinaemia, Hepatic Function Abnormal
Patient was taking Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: foetal exposure during pregnancy, small for dates baby, convulsion neonatal, developmental delay, nervous system disorder, tremor, hyperprolactinaemia, hepatic function abnormal on Jun 04, 2013 from US Additional patient health information: Female , weighting 4.81 lb, . Haloperidol Decanoate dosage: N/A.
Associated medications used:
  • Risperidone
  • Olanzapine
  • Quetiapine
  • Chlorpromazine Hydrochloride
  • Triazolam
  • Bromazepam
  • Flunitrazepam
  • Valproate Sodium
Patient was hospitalized.

Pallor, Malaise, Abnormal Behaviour, Blunted Affect, Decreased Appetite, Drooling, Neuroleptic Malignant Syndrome, Rhabdomyolysis
Adverse event was reported on May 20, 2013 by a Female taking Haloperidol Decanoate (Dosage: Q28 Days) was diagnosed with and. Location: US , 56 years of age, Patient felt the following Haloperidol Decanoate side effects: pallor, malaise, abnormal behaviour, blunted affect, decreased appetite, drooling, neuroleptic malignant syndrome, rhabdomyolysis.
Multiple prescriptions taken:
  • Donepezil
Patient was hospitalized.

Parkinsonian Gait
on May 13, 2013 Male from GB , 81 years of age, weighting 125.7 lb, was diagnosed with and was treated with Haloperidol Decanoate. After Haloperidol Decanoate was administered, patient encountered several Haloperidol Decanoate side effects: parkinsonian gait. Haloperidol Decanoate dosage: N/A.

Akathisia
on May 08, 2013 Male from US , 24 years of age, was treated with Haloperidol Decanoate. Directly after, patient experienced the unwanted or unexpected Haloperidol Decanoate side effects: akathisia. Haloperidol Decanoate dosage: N/A.

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Keep Track of Side Effects

Note Your Observations

It is really important to keep of your symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:

     

    Side Effects

    Scale

    Date & Time

    Other Medicine(s) or Treatment(s)

     

     

     

     

    Scale: 1 = very mild to 10 = very bad


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    Safety Alerts, Active Ingredients, Usage Information

    More About Haloperidol decanoate

    Side Effects reported to FDA: 305

    Haloperidol Decanoate safety alerts: No

    Reported deaths: 22

    Reported hospitalizations: 93

    Latest Haloperidol Decanoate clinical trials

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