Haldol

Delirium, Schizophrenia, Schizophrenia + 9 more

Treatment

2 FDA approvals

20 Active Studies for Haldol

What is Haldol

Haloperidol

The Generic name of this drug

Treatment Summary

Haloperidol is a medication used to treat psychotic disorders such as schizophrenia, Tourette syndrome, and severe behavioral states. It works by blocking dopamine receptors in the brain, which helps reduce symptoms of psychosis. Haloperidol is an effective and widely used drug, but it can cause side effects such as movement disorders, sedation, weight gain, and changes in prolactin levels. It can also interact with other drugs and has been found to be affected by a person's genetics. Haloperidol is a first-generation antipsychotic drug which has largely been replaced by newer, second- or third-generation antipsych

Haldol

is the brand name

image of different drug pills on a surface

Haldol Overview & Background

Brand Name

Generic Name

First FDA Approval

How many FDA approvals?

Haldol

Haloperidol

1971

300

Approved as Treatment by the FDA

Haloperidol, otherwise known as Haldol, is approved by the FDA for 2 uses which include Gilles de la Tourette's Syndrome and Tourette Syndrome .

Gilles de la Tourette's Syndrome

Helps manage Gilles de la Tourette's Syndrome

Tourette Syndrome

Helps manage Gilles de la Tourette's Syndrome

Effectiveness

How Haldol Affects Patients

Haloperidol is an antipsychotic drug used to treat the positive symptoms of schizophrenia, such as hearing voices, aggression, and disorganized speech. However, it can also cause side effects like movement disorders, drowsiness, weight gain, and a change in the level of the hormone prolactin. Compared to other first-generation antipsychotics, haloperidol usually has fewer side effects. Taking haloperidol long-term can lead to a condition called tardive dyskinesia, which is characterized by involuntary, jerky movements. Haloperidol can also cause a serious syndrome called Neurole

How Haldol works in the body

Haloperidol is an antipsychotic medication that helps decrease psychotic symptoms by blocking dopamine receptors in the brain, particularly in the limbic system. It works by competing with dopamine for its receptor, effectively preventing dopamine from stimulating the nerve cells and reducing the abnormal activity associated with psychosis. Haloperidol also blocks other types of receptors in the autonomic system, which helps reduce nausea and vomiting. It can cause unpleasant side effects, such as extrapyramidal symptoms, due to its tight binding to dopamine receptors. Therefore, newer antipsychotic medications with a lower affinity for dopamine receptors have been developed to reduce the risk of these symptoms

When to interrupt dosage

The advised measure of Haldol is contingent upon the designated state, such as Palliative Care, aggressive response and phencyclidine. Dosage shifts, in light of the technique of delivery featured in the table beneath.

Condition

Dosage

Administration

Schizophrenia

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Tourette Syndrome

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Obsessive-Compulsive Disorder

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Severe Disruptive Behaviour Disorders

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Aggression

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

phencyclidine

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Nausea

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Palliative Treatment

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Huntington Disease

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Delirium

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

severe Hyperactivity

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Schizophrenia

5.0 mg/mL, , 2.0 mg/mL, 1.0 mg, 2.0 mg, 5.0 mg, 10.0 mg, 0.5 mg, 20.0 mg, 50.0 mg/mL, 100.0 mg/mL, 1.5 mg, 500.0 mg/mL, 70.52 mg/mL, 141.04 mg/mL

, Intramuscular, Injection, solution, Injection, solution - Intramuscular, Solution, concentrate, Solution, concentrate - Oral, Oral, Solution - Oral, Tablet - Oral, Tablet, Injection - Intramuscular, Injection, Solution - Intramuscular, Liquid - Intramuscular, Solution, Liquid

Warnings

Haldol Contraindications

Condition

Risk Level

Notes

Coma

Do Not Combine

Asthma

Do Not Combine

Parkinson's Disease

Do Not Combine

Mental Depression

Do Not Combine

Basal Ganglia Lesions

Do Not Combine

Mental Depression

Do Not Combine

There are 20 known major drug interactions with Haldol.

Common Haldol Drug Interactions

Drug Name

Risk Level

Description

Alectinib

Major

The metabolism of Alectinib can be decreased when combined with Haloperidol.

Amisulpride

Major

Haloperidol may increase the antipsychotic activities of Amisulpride.

Azelastine

Major

Haloperidol may increase the central nervous system depressant (CNS depressant) activities of Azelastine.

Cariprazine

Major

The metabolism of Cariprazine can be decreased when combined with Haloperidol.

Eliglustat

Major

The metabolism of Eliglustat can be decreased when combined with Haloperidol.

Haldol Toxicity & Overdose Risk

Tests have found that the toxic dose of this drug for rats is 71mg/kg.

image of a doctor in a lab doing drug, clinical research

Haldol Novel Uses: Which Conditions Have a Clinical Trial Featuring Haldol?

285 active trials are underway assessing the potential of Haldol to alleviate Obsessive-Compulsive Disorder, provide Palliative Care and counter phencyclidine toxicity.

Condition

Clinical Trials

Trial Phases

Schizophrenia

94 Actively Recruiting

Phase 3, Not Applicable, Early Phase 1, Phase 4, Phase 1, Phase 2

Obsessive-Compulsive Disorder

63 Actively Recruiting

Not Applicable, Phase 2, Phase 3, Phase 1, Early Phase 1

Schizophrenia

30 Actively Recruiting

Early Phase 1, Not Applicable, Phase 4

Huntington Disease

5 Actively Recruiting

Not Applicable, Phase 1, Phase 2, Phase 3

Aggression

1 Actively Recruiting

Not Applicable

Nausea

0 Actively Recruiting

Severe Disruptive Behaviour Disorders

1 Actively Recruiting

Phase 2

Tourette Syndrome

0 Actively Recruiting

Palliative Treatment

1 Actively Recruiting

Phase 3

Delirium

22 Actively Recruiting

Phase 2, Phase 3, Not Applicable, Phase 4, Early Phase 1

phencyclidine

0 Actively Recruiting

severe Hyperactivity

0 Actively Recruiting

Haldol Reviews: What are patients saying about Haldol?

4.7

Patient Review

12/21/2016

Haldol for Schizophrenia

Haldol has been a much better fit for me than other atypical medications I've tried, namely Abilify, Risperdal, and Geodon. It's made a big difference in my quality of life. There are some mild side effects that come with it (tremors, pacing, etc.) but nothing that I can't handle. If you're struggling with similar issues, I say give Haldol a shot.

4.3

Patient Review

12/16/2016

Haldol for Mental Disorder with Loss of Normal Personality & Reality

I've been using this medication to great success for intrusive thoughts. The only downside is that it makes me really drowsy and my mouth is always dry.

4

Patient Review

3/21/2016

Haldol for Brief Episode of Schizophrenia with Rapid Onset

I have to take a monthly injection of this medication, since I've been deemed non-compliant in the past. It's effective for my mood but unfortunately comes with the side effect of weight gain. My doctor tried to dismiss it but it happens to everyone I know on this medicine.

4

Patient Review

5/9/2020

Haldol for Aggressive Behavior

I appreciate that Haldol doesn't cause me to gain a lot of weight.

2.7

Patient Review

12/7/2018

Haldol for Tourette's

The tics I was experiencing slowed down, but the sedation effects were so strong that it interfered with my life more than the tics did. It got to the point where I would rather deal with the tics than take this medication.

2.3

Patient Review

5/7/2021

Haldol for Schizophrenia

Haldol was terrible for me. I only experienced negative side effects and no benefits while taking it.

1

Patient Review

8/7/2017

Haldol for Mental Disorder with Loss of Normal Personality & Reality

About six months ago, I started experiencing tremors in my left arm and hand. My doctor took me off the pill immediately, but the damage was already done. I now have difficulty talking and swallowing, and my life is ruined.

1

Patient Review

1/27/2021

Haldol for Aggressive Behavior

I really dislike having to take this medication, and I resent the people who created it.
image of drug pills surrounding a glass of water symbolizing drug consumption

Patient Q&A Section about haldol

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What class of drug is Haldol?

"Haloperidol is a type of medication known as a conventional antipsychotic."

Answered by AI

Is Haldol a narcotic?

"Haloperidol is a psychoactive drug that has been widely used to treat schizophrenia, mania, neuroses, stuttering, and phobic states. It was developed by Janssen et al3 during experiments with synthetic narcotic agents."

Answered by AI

Is Haldol a strong sedative?

"and alprazolam (Xanax)

Haldol can cause sedation, which may be increased if it is combined with alcohol or other drugs that have sedative effects, such as benzodiazepines ( drugs used to treat anxiety, such as diazepam [Valium], lorazepam [Ativan], and alprazolam [Xanax])."

Answered by AI

What are the side effects for Haldol?

"To minimize dizziness, get up slowly from a lying down position

You may experience dizziness, lightheadedness, drowsiness, difficulty urinating, sleep disturbances, headache, and anxiety. If these effects persist or worsen, notify your doctor or pharmacist promptly. Dizziness and lightheadedness can increase your risk of falling. To avoid dizziness, get up slowly when rising from a sitting or lying position."

Answered by AI

Clinical Trials for Haldol

Image of Stony Brook University Hospital in Stony Brook, United States.

Transauricular Vagus Nerve Stimulation for Delirium

18+
All Sexes
Stony Brook, NY

The goal of this clinical trial is to test whether a non-invasive device called transauricular vagus nerve stimulation (taVNS) is safe, practical, and potentially helpful for patients in the hospital who develop delirium. Delirium is a state of confusion that often happens to people in the hospital who are sick or hurt. It can cause agitation, trouble paying attention and difficulty understanding what is happening. Delirium may slow overall recovery. This study will focus on feasibility and safety. Researchers want to learn whether taVNS can be given safely to critically-ill patients, whether patients and staff can tolerate the treatments, and whether the device produces measurable changes in brain activity and brain oxygen levels. The main questions this study aims to answer are: * Is it possible to deliver taVNS safely and consistently to patients in the ICU who have delirium? * Do patients tolerate the device without significant side effects or complications? * Does taVNS cause short-term changes in brain signals and oxygen levels that may suggest effects on brain function? This is an early feasibility study and there is no randomization or placebo group. All patients enrolled will receive taVNS in addition to their usual hospital care for delirium. What participants will do: * Be identified by their hospital care team and have a confirmed diagnosis of delirium. * Provide consent (or have a legally authorized representative provide consent if the patient cannot.) * Undergo brief assessments of thinking and attention (for example, the CAM-ICU test.) * Receive taVNS treatment using a small clip electrode placed on the ear. * The device sends gentle electrical pulses to the nerve in the ear. * Each session lasts about 30 minutes, given twice per day (morning and evening, with at least 6 hours between sessions). * Treatment can continue for up to 7 days while the patient is in the ICU. * Be monitored during and after each session. The study team will check vital signs, examine the ear for irritation, and ask about any discomfort. * On the first day, researchers will also record brain signals (EEG) and brain oxygen levels before and during stimulation using FDA-approved hospital monitoring devices. Possible risks and discomforts: * Mild side effects are possible, such as tingling, a tickling or pricking feeling in the ear, or temporary skin redness where the clip is placed. * Serious side effects are not expected, but all patients will be closely monitored during and after each session to ensure safety. Possible benefits: • Patients may or may not experience personal benefit. The main benefit is helping researchers learn whether this treatment approach is safe and practical. In the future, taVNS could potentially become a new tool to help treat or prevent delirium in hospitalized patients. Study size and duration: * The study will enroll a limited number of ICU patients with delirium at Stony Brook University Hospital. * Patients may take part for up to 7 days while hospitalized. Who can join: * Right-handed, adult patients in the ICU who are diagnosed with delirium. * People with certain medical conditions (such as brain bleeds, new strokes, pacemakers or other contraindications) may not be able to participate, for safety reasons.

Recruiting
Has No Placebo

Stony Brook University Hospital

Isadora Botwinick, MD

Image of Baylor College of Medicine in Houston, United States.

Stepped Care Treatment for Anxiety

7 - 17
All Sexes
Houston, TX

Childhood anxiety disorders (CAD) are common and impairing. Family based cognitive behavioral therapy (CBT) is efficacious in treating CAD. Yet, many children do not receive care due to barriers such as limited provider availably, high treatment costs, and constrained family resources (e.g., time). To combat these barriers, other treatment methods have been developed. The stepped care treatment models maximize resources by providing low-intensity, low-cost interventions as a first time treatment, while stepping up care for those needing more intensive treatment. Specifically, a stepped care model for CAD that begins with a parent-focus intervention has great promise to deliver efficacious and cost-effective treatment without having to engage the child. While stepped care approaches show promise in treating CAD with comparable efficacy to standard CBT, there remains a large research-to-practice gap. The stepped care model for CAD that begins with a parent-focused intervention has yet been explored, and very little is known about intervention mediators that explain mechanisms of change. This research is being done to improve the reach and quality of services using a stepped care model, offering an affordable and practical solution to the widespread gap in youth mental health care.

Waitlist Available
Has No Placebo

Baylor College of Medicine

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Multimodal Intervention for Bipolar Disorder

18 - 35
All Sexes
Hamilton, Canada

People with bipolar disorder (BD) are at high risk of relapse following hospital discharge, partly due to a lack of BD-specific expertise and resources within community services required for comprehensive treatment. Although clinical guidelines recommend combining medication and psychosocial support, and research shows that early intervention is associated with improved outcomes, no structured care programs currently exist for individuals in the early stages of BD, contributing to chronic illness progression and preventable hospitalizations. This open-label pilot trial will assess the feasibility, acceptability, and preliminary effectiveness of a structured care pathway to support the transition from hospital to community care. The intervention includes group-based psychoeducation, individual peer support, and personalized support for community healthcare providers to improve illness insight, treatment adherence, and symptom management.

Recruiting
Has No Placebo

St. Joseph's Healthcare Hamilton

Image of Vanderbilt Psychiatric Hospital in Nashville, United States.

Brain Stimulation for Cannabis Craving in Schizophrenia

18 - 65
All Sexes
Nashville, TN

The central hypothesis is this: Brain circuits most relevant to cannabis use in schizophrenia are distinct from pathways identified in healthy controls who use cannabis. This study seeks to provide evidence that targeted stimulation of the DMN leads to both altered network activity and a concomitant behavioral change in cue-induced craving and cognitive performance in individuals with schizophrenia and schizoaffective disorder, while targeted stimulation of the L DLPFC leads to these changes in healthy controls who use cannabis. This study will test a model that integrates brain network pathophysiology and cognition to 1) explain the prevalence of cannabis use in schizophrenia and 2) identify a target for engagement in schizophrenia. This study seeks to establish a neuroscientific framework to guide future treatment-oriented studies aimed at reducing craving and improving cognitive performance in individuals with schizophrenia and schizoaffective disorder. This is a study of the effect of 2 rTMS interventions on functional connectivity and craving in individuals with schizophrenia or schizoaffective disorder and healthy controls who use cannabis. Aim 1: Target Engagement: Determine if rTMS manipulates functional connectivity of each target (DMN, L DLPFC) (n=100). Aim 2: Clinical Efficacy: Determine if rTMS affects cue-induced craving and if craving change correlates with change in functional connectivity (n=100). As an exploratory analysis, the factors that explain individual variance in rTMS-induced connectivity change will also be explored.

Waitlist Available
Has No Placebo

Vanderbilt Psychiatric Hospital

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Emraclidine for Schizophrenia

18 - 65
All Sexes
Little Rock, AR

Schizophrenia is a common and severe psychiatric illness characterized by extreme disturbances of cognition and thought, affecting language, perception and sense of self. This study will assess adverse events, change in disease activity, and how oral emraclidine moves through the body in adult participants with schizophrenia Emraclidine is an investigational drug being developed for the treatment of schizophrenia. Participants are placed in one of two parts, Part A or Part B, where each group will receive a different treatment. Participants will receive either oral emraclidine or placebo. Approximately 258 participants will be enrolled across roughly 32 sites in the United States. Participants in Part A will be assigned to one of multiple ascending doses of emraclidine or placebo administered orally for 14 days or up to 21 days. Participants in Part B will receive Emraclidine or placebo administered orally for up to 42 days. Participants will be followed for 30 days after the last dose of the study drug. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

Phase 2
Recruiting

Woodland International Research Group /ID# 275747 (+6 Sites)

ABBVIE INC.

AbbVie

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