How did shamans use ritual drugs in healing ceremonies?

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In many traditional cultures, shamans utilize ritual drugs as a central component of healing ceremonies, often acting as the primary mediator between the spiritual and physical realms. Because these substances can be dangerous or are reserved for those with high prestige, the shaman frequently ingests the drug to facilitate benefits for the patient or the community.1

The use of these substances in healing is often deeply symbolic and ritualistic:

  • Purification: The ingestion of psychedelic drugs often induces nausea and vomiting, which is interpreted as a spiritual purging of faults or impurities.1
  • Mediation and Divination: By entering an altered state, the shaman seeks to gain hidden knowledge, such as diagnosing the cause of an illness or determining the best course of action for a patient.12
  • Spiritual Connection: In many traditions, the drug is venerated as a sacred gift or a "divine messenger" that provides protection, strengthens the practitioner, and allows the shaman to control the passage of the soul to care for the souls of others.234

These practices are rooted in the belief that the shaman’s performance—often involving sacred songs, rattles, and theatrical displays—can reorder the spiritual forces necessary to restore health.4