Drugs A - Z

Peyote

Generic Name: peyote

Category

Herbs & Supplements

Synonyms

Cactaceae (family), cactus methanolic extract, Lophophora, Lophophora williamsii, mescaline (3,4,5-trimethoxyphenethylamine).

Background

Lophophora williamsii, also known as peyote, is found primarily in dry regions from central Mexico to Texas, particularly in regions along the Rio Grande. Peyote is commonly used in rituals and as a hallucinogen (due to its mescaline content). In 1990, the U.S. Supreme Court ruled that states may prohibit the use of peyote for religious purposes. Although peyote is illegal, the Dona Ana cactus, Coryphantha macromeris (Engelm.) Br. and R. and its runyonii (Br. and R.) L. Benson variety have been promoted as natural and legal psychedelic agents with about one-fifth of the potency of peyote.

To date, there are no available clinical trials investigating the use of peyote for any indication. However, preliminary study investigating peyote has not found long-term cognitive deficits, although more study is needed to make any firm conclusions about peyote's safety.

Some experts believe that proper use of one psychoactive substance, such as peyote, within a spiritual or clinical context helps to free an individual from the adverse effects of their addiction to another substance and thus restores them as functioning members of their community or group.

Evidence

DISCLAIMER: These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider.

Tradition

WARNING: DISCLAIMER: The below uses are based on tradition, scientific theories, or limited research. They often have not been thoroughly tested in humans, and safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. There may be other proposed uses that are not listed below.
Alcoholism, hallucinogenic, immunomodulator, tumor.

Dosing

Adults (18 years and older):

There is no proven safe or effective dose for peyote in adults.

Children (younger than 18 years):

There is no proven safe or effective dose for peyote in children.

Safety

DISCLAIMER: Many complementary techniques are practiced by healthcare professionals with formal training, in accordance with the standards of national organizations. However, this is not universally the case, and adverse effects are possible. Due to limited research, in some cases only limited safety information is available.

Allergies

Avoid in individuals with a known allergy or hypersensitivity to peyote, mescaline, or members of the family Cactaceae.

Side Effects and Warnings

There is limited available evidence describing the adverse effects of peyote. Due to the hallucinogenic activity of peyote, psychosis has been reported in case reports. Ritualistic use of peyote does not appear to cause long-term cognitive deficits, although more study is needed to clarify these findings.

Use cautiously in patients with mental disorders, as peyote may induce psychotic episodes.

Use cautiously in patients with high or low blood pressure, due to mescaline's potential to alter blood pressure.

Avoid in patients who are pregnant or breastfeeding due to the potential of fetal abnormalities.

Pregnancy and Breastfeeding

Peyote is not recommended in pregnant or breastfeeding women due to a lack of sufficient data in humans. Mescaline, a constituent of peyote, may cross the placenta, and has been linked to congenital malformations.

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