Haldol (Haloperidol (As Haloperidol Decanoate))
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Haldol Used For?
Haldol is a long-acting antipsychotic medication used to treat mental health disorders by correcting chemical imbalances in the brain.
Primary Uses
Haldol is primarily used for conditions affecting thoughts, feelings, or behaviors, including schizophrenia.
How It Works
It works by correcting chemical imbalances in the brain that may lead to mental illness.
Good to know: Haldol is not addictive.
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How to Take Haldol
Haldol is administered as an injection by a healthcare professional.
Dosage Instructions
The dosage will be determined by your doctor based on your medical history and condition. Haldol is usually given every four weeks, but this may vary.
What If You Miss a Dose?
If you miss an injection, contact your doctor to reschedule as soon as possible. Do not stop taking Haldol without consulting your doctor.
Important: Never double the dose if you miss an injection.
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- tremors
- drowsiness
- dry mouth
- constipation
- restlessness
- weight gain
Seek immediate medical attention if you experience:
- difficulty breathing
- allergic reactions
- sudden increase in body temperature
- severe muscle stiffness
- abnormal heart rhythm
Impulse Control Issues
Haldol may cause issues with impulse control, such as compulsive behaviors.
Important Warnings
There are several important warnings to consider before using Haldol.
Who Should Not Take Haldol
Do not take Haldol if you are allergic to haloperidol decanoate or any of its ingredients, have severe drowsiness, confusion, Parkinson's disease, or Lewy body dementia.
Medical Conditions to Discuss
Discuss with your doctor if you have a history of heart problems, low blood pressure, kidney or liver disease, or if you are at risk of blood clots.
Pregnancy and Breastfeeding
Haldol is not recommended during pregnancy. Consult your doctor if you are pregnant or breastfeeding, as it may pass into breast milk.
Elderly Patients With Dementia: Haldol should be used with caution in elderly patients with dementia due to increased risk of side effects.
Drug Interactions
Certain medications can interact with Haldol and affect its efficacy.
Grapefruit interaction: Grapefruit may affect how Haldol works.
- antidepressants (e.g., fluoxetine, sertraline)
- other antipsychotics
- medications for nausea (e.g., promethazine)
- antiviral medications (e.g., ritonavir)
- antifungal medications (e.g., ketoconazole)
- alcohol or sedatives
- medications for heart conditions (e.g., amiodarone)
- anticoagulants (e.g., phenindione)
Alcohol & Driving
Precautions regarding alcohol consumption and driving while on Haldol.
Alcohol
Avoid alcohol as it can enhance the sedative effects of Haldol.
Driving and Operating Machinery
Do not drive or operate machinery until your doctor confirms it is safe, as Haldol may cause dizziness.
Temperature Regulation
Monitor body temperature as Haldol can affect temperature regulation.
Storage
Store Haldol below 25°C in a cool, dry place, away from light and moisture.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Signs may include severe drowsiness or tremors.
Frequently Asked Questions
The effects of Haldol may take several weeks to become noticeable.
Haldol is administered as an injection, so food intake does not affect its administration.
No, Haldol is not considered addictive.
Do not stop taking Haldol without consulting your doctor, as symptoms may return.
No, you should avoid alcohol while taking Haldol.
Weight gain is a possible side effect of Haldol.
Elderly patients should use Haldol with caution due to increased risk of side effects.
Contact your doctor as soon as possible to reschedule your injection.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.