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Lethal interactions

By drug class

  • MAOIslethal2 mechanismsconfidence high

Dangerous interactions

18 dangerous interactions recorded for this substance.

See the full interactions table

Contraindications

Cardiovascular

  • severe cardiovascular diseaseabsolute

    Absolute contraindication in individuals with uncontrolled hypertension, coronary artery disease, heart failure, or recent myocardial infarction. Tachycardia was documented in Shulgin's bioassays; mescaline produces dose-dependent cardiovascular stimulation in controlled trials.

Neurological

  • epilepsyrelative

    Relative contraindication in individuals with seizure disorders. Limited class-level evidence.

Psychiatric

  • psychotic disordersabsolute

    Absolute contraindication in individuals with personal or family history of schizophrenia, schizoaffective disorder, or other psychotic spectrum conditions.

  • bipolar disorderrelative

    Relative contraindication. Risk of manic episode precipitation is documented at class level for serotonergic psychedelics. No escaline-specific data.

Pregnancy & Breastfeeding

  • pregnancy and breastfeedingabsolute

    Absolute contraindication during pregnancy and breastfeeding. No safety data exist. Precautionary principle applies.

Other

  • concurrent MAOI useabsolute

    Absolute contraindication. MAOIs include prescription antidepressants (phenelzine, tranylcypromine, moclobemide) and plant-derived preparations (harmine, harmaline).

  • concurrent tramadol useabsolute

    Absolute contraindication. Serotonin syndrome risk from dual serotonergic activation.

  • concurrent lithium useabsolute

    Absolute contraindication. Case reports of seizures with classic psychedelics + lithium.

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