Haldol and Precedex drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Haldol (haloperidol) and Precedex (dexmedetomidine). Common drug interactions include vomiting among females and cardiac arrest among males.

The phase IV clinical study analyzes what interactions people have when they take Haldol and Precedex. It is created by eHealthMe based on reports of 18 people who take the same drugs from the FDA, and is updated regularly.

What is Haldol?

Haldol has active ingredients of haloperidol. It is often used in schizophrenia. eHealthMe is studying from 23,102 Haldol users. Check the latest studies of Haldol.

What is Precedex?

Precedex has active ingredients of dexmedetomidine. eHealthMe is studying from 1,007 Precedex users. Check the latest studies of Precedex.

On Jul, 18, 2026

18 people who take Haldol and Precedex together, and have interactions are studied.

What are the common drug interactions of Haldol and Precedex, by gender? *:

female:

Vomiting
Abdominal distension
Hepatotoxicity (chemical-driven liver damage)
Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Ulcer
Unresponsive to stimuli
Ammonia increased
Cardio-respiratory arrest (sudden dysfunction of heart and lungs)
Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)

male:

Cardiac arrest
Febrile neutropenia (fever with reduced white blood cells)
Abdominal pain
Agitation (state of anxiety or nervous excitement)
Amaurosis (partial or total blindness without visible change in the eye)
Angioedema (rapid swelling of the dermis)
Aphasia (damage to the parts of the brain that control language)
Ataxia (loss of full control of bodily movements)
Cardiac enzymes increased
Cardio-respiratory arrest (sudden dysfunction of heart and lungs)

What are the common drug interactions of Haldol and Precedex, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

Abdominal pain
Agitation (state of anxiety or nervous excitement)
Amaurosis (partial or total blindness without visible change in the eye)
Aphasia (damage to the parts of the brain that control language)
Ataxia (loss of full control of bodily movements)
Coma (state of unconsciousness lasting more than six hours)
Depressed level of consciousness
Echolalia (meaningless repetition of another person's spoken words -psychiatric disorder)
Graft versus host disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body)
Hypertension (high blood pressure)

10-19:

Ammonia increased
Confusional state
Drug level decreased
Dyskinesia (abnormality or impairment of voluntary movement)
Hypoaesthesia (reduced sense of touch or sensation)
Impulsive behaviour
Monocyte count increased
Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
Strabismus (a disorder in which the two eyes do not line up in the same direction)
Urinary incontinence (inability to control the flow of urine and involuntary urination)

20-29:

Cardio-respiratory arrest (sudden dysfunction of heart and lungs)
Diarrhoea
Disseminated intravascular coagulation (systemic activation of blood coagulation)
Headache (pain in head)
Hepatic failure (liver failure)
Hypoxia (low oxygen in tissues)
Torsade de pointes (a abnormal heart rate with abnormal beating pattern)

30-39:

n/a

40-49:

Angioedema (rapid swelling of the dermis)

50-59:

Neurological decompensation (inability of brain to maintain proper function)
Cardiac arrest
Hepatotoxicity (chemical-driven liver damage)
Hypertension (high blood pressure)
Pyrexia (fever)
Respiratory arrest (cessation of normal respiration due to failure of the lungs to function effectively)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Therapeutic response decreased (less preventive response)
Tremor (trembling or shaking movements in one or more parts of your body)
Cardio-respiratory arrest (sudden dysfunction of heart and lungs)

60+:

Febrile neutropenia (fever with reduced white blood cells)
Sepsis (a severe blood infection that can lead to organ failure and death)
Heparin-induced thrombocytopenia
Hypotension (abnormally low blood pressure)
Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)
Pain in extremity
Peripheral embolism (sudden interruption of blood flow to an organ or body part)
Post procedural complication
Sepsis syndrome (a clinical condition of blood infection)
Traumatic brain injury (brain injury due to trauma)

What are the existing conditions these people have? *

Pain: 6 people, 33.33%
Sedation: 5 people, 27.78%
Agitation (state of anxiety or nervous excitement): 5 people, 27.78%
Infection: 4 people, 22.22%
High Blood Pressure: 3 people, 16.67%
Fluid Retention (an abnormal accumulation of fluid in the blood): 3 people, 16.67%
Non-Small Cell Lung Cancer Stage Iv: 3 people, 16.67%
Nausea (feeling of having an urge to vomit): 3 people, 16.67%
Alcohol Withdrawal Syndrome: 3 people, 16.67%
Dehydration (dryness resulting from the removal of water): 3 people, 16.67%

* Approximation only. Some reports may have incomplete information.

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