Haloperidol

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Haloperidol
Chemical Nomenclature
Common names	Haldol
Substitutive name	Haloperidol
Systematic name	4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(4-fluorophenyl)butan-1-one
Class Membership
Psychoactive class	Antipsychotic
Chemical class	Butyrophenone / Phenylpiperidine
Routes of Administration
WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section. ⇣ Oral Dosage Bioavailability 60-70% Threshold 0.25 mg Light 0.25 - 1 mg Common 1 - 5 mg Strong 5 - 10 mg Heavy 10 mg + Duration Total 12 - 36 hours Onset 30 - 60 minutes DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.
Interactions

Summary sheet: Haloperidol

Haloperidol (trade name Haldol) is an antipsychotic drug used to treat Tourette Syndrome, as well as other mental disorders, such as schizophrenia, mania, bipolar disorder, delirium, psychosis as well a variety of other symptoms. It was first synthesized in 1958 by Paul Janssen from meperidine. Haloperidol is on the WHO Model List of Essential Medicines, the most important medications needed in a basic health system. It is also one of the most frequently prescribed antipsychotics.

Chemistry

This chemistry section is incomplete. You can help by adding to it.

Haloperidol is a molecule of the Phenylpiperidine class.

Pharmacology

This pharmacology section is incomplete. You can help by adding to it.

Haloperidol acts on Dopamine D₂ receptors.

Subjective effects

This subjective effects section is a stub. As such, it is still in progress and may contain incomplete or wrong information. You can help by expanding or correcting it.

The effects listed below are based upon the subjective effects index and personal experiences of PsychonautWiki contributors. The listed effects will rarely (if ever) occur all at once, but heavier dosages will increase the chances and are more likely to induce a full range of effects.

Physical effects

• Constipation
• Dehydration
• Difficulty urinating
• Excessive yawning
• Muscle stiffness
• Nausea suppression
• Physical fatigue - This effect can sometimes result in an inability to perform tasks such as exercise, walking or even sitting.
• Respiratory depression
• Sedation
• Seizure suppression

Cognitive effects

• Cognitive fatigue
• Dream potentiation
• Focus suppression
• Sleepiness

Toxicity and harm potential

This toxicity and harm potential section is a stub. As a result, it may contain incomplete or even dangerously wrong information! You can help by expanding upon or correcting it. Note: Always conduct independent research and use harm reduction practices if using this substance.

Haloperidol can have serious side effects at higher dosages, such as risk of having severe extrapyramidal symptoms and muscle rigidity, which can last for hours.

It is strongly recommended that one use harm reduction practices when using this drug.

Legal issues

• Australia: The drug is available via prescription only.
• Canada: The drug is available via prescription only.
• United States: The drug is available via prescription only.
• United Kingdom: Haloperidol is a prescription-only medication.

See also

• Responsible use
• Antipsychotic
• Pethidine
• Risperdal