Haloperidol

Uses	Schizophrenia, Schizoaffective disorder, Psychosis, Tourette Syndrome
Therapy	Anti-Psychotics
Side Effects	Agitation, Muscle spasm, Insomnia (difficulty sleeping), Shaking of hands or feet- Tremor, Extrapyramidal symptoms, Headache, Loss of balance, Skin rash, Dizziness, Blurred vision, Seizures, Fast heartbeat, Constipation, Dystonia, Akathisia, Tardive dyskinesia, Parkinsonism, Muscle stiffness, Erectile dysfunction, Weight gain

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Molecule Description

Haloperidol belongs to a class of medications known as antipsychotics. It treats certain mental/mood disorders (psychosis, schizophrenia, schizoaffective disorders) and Tourette Syndrome. It works by preventing dopamine, a chemical messenger in the human brain that influences thoughts and emotions, from acting.

Uses

Schizophrenia
Schizoaffective disorder
Psychosis
Tourette Syndrome

Contraindications

When should one not use Haloperidol

If you have Parkinson's disease or uncontrolled seizures.
If you're under the influence of liquor or other sleep-inducing, asthma, or allergic medication.

Side effects

Common side effects of this drug are:

Agitation
Muscle spasm
Insomnia (difficulty sleeping)
Shaking of hands or feet-tremor
Headache
Loss of balance
Skin rash
Dizziness
Blurred vision
Seizures
Fast heartbeat
Constipation
Muscle stiffness
Erectile dysfunction
Weight gain

Precautions and Warnings

Pregnancy

Haloperidol belongs to category C pregnancy medication. If used during pregnancy, it may damage the unborn child and cause harm to the mother. If you are expecting to become pregnant or are pregnant, talk to your doctor before taking Haloperidol. If you encounter any pain or discomfort after taking it, stop taking it and consult your doctor.

Breast Feeding

Haloperidol is not recommended for use in breastfeeding women. Some research data suggests that the medicine may pass into the breastmilk and harm the baby. Please consult your doctor if you've any concerns regarding this issue.

Driving

Haloperidol may make you drowsy and dizzy by lowering your alertness or affecting your eyesight. It's not advisable to drive while taking this medication.

Alcohol

When taking this medicine, alcohol consumption increases the chance of severe side effects, including dizziness, concentration difficulties, poor thinking, and others. Consumption of alcohol while taking Haloperidol may worsen the disease. In addition, it has the potential to produce extreme sleepiness.

Other General Warnings

Talk to your doctor if

You have a known allergy to Haloperidol or any inactive components in the formulation should avoid the medicine.
You are suffering from uncontrolled seizures, severe central nervous system depression, or patients in comatose state must avoid Haloperidol.
You face some adverse side effects, talk to your doctor immediately.
Avoid taking this medicine without visiting your doctor first.
You have thyroid or kidney problems, autism, or heart problems. Talk to your doctor before taking this medicine.

Mode of Action

How Does It Work?

Haloperidol belongs to a class of medications known as antipsychotics. It works by preventing dopamine, a chemical messenger in the brain that influences thoughts and emotions, from acting. The medication suppresses the release of chemical compounds that produce psychotic symptoms by binding to their receptors.

Interactions

Interactions with other medicines

Haloperidol may interact with the following medications, changing their effectiveness and causing adverse reactions.
Anti Fungals-Fluconazole, Itraconazole; Antihypertensives(Clonidine, Guanethidine, Propranolol),Clozapine, Clotrimazole, Tramadol, Levodopa, Carbamazepine, Phenobarbital, Citalopram, Escitalopram

Interactions with food items

There is not enough research available regarding the interaction of this medicine with food and beverage. However, some studies show that you should avoid alcohol and grapefruit during treatment with this medicine as it may expand the risk of severe side effects. These side effects may include confusion, dizziness, nausea, vomiting, weakness, and fainting.

Dosage

Overdose

Do not take Haloperidol more than the prescribed dose. Taking more than the prescribed dose will not improve your symptoms; instead, they may cause poisoning or serious side-effects like breathing problems, abnormal heartbeat, dizziness, a significant change in balance, shakiness, problems moving about, agitation and excitability. If you think you've taken an overdose, seek emergency medical treatment or contact the doctor immediately.

Missed a Dose

If you miss a dose of Haloperidol, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Don't double the dosage on your own as it leads to overdose.

Frequently Asked Questions (FAQs)

Taking other medicines with Haloperidol can cause medicine interaction leading to serious side effects. Consult your doctor about all the medications you take and your past medical history

In certain circumstances, long-term usage of Haloperidol may induce dyskinesia (a movement disorder). Your doctor will only prescribe Haloperidol if the advantages exceed the dangers.

No, do not stop taking Haloperidol despite having symptomatic relief. Continue the medicine as prescribed by your doctor; otherwise, it may interfere with medicine potency and may lead to withdrawal symptoms like confusion, chest pains, anxiety, difficulty sleeping, or tremors.

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