Who Should Not Take Psilocybin? Safety Considerations to Know
Psilocybin has shown meaningful potential for supporting healing, insight, and lasting personal change. And yet — it is not the right path for everyone.
One of the most important parts of responsible facilitation is being honest about that. A thorough screening process isn't a barrier to working together. It's part of what makes the work safe and effective.
Here's an honest overview of the safety considerations that inform whether psilocybin facilitation may or may not be appropriate.
Lithium
If you are currently taking lithium, psilocybin work is not appropriate. This is one of the clearest contraindications in psychedelic facilitation. The combination carries meaningful risk and is not something that can be worked around with precautions or dosage adjustments.
History of Psychosis or Schizophrenia
A personal history of psychosis, schizophrenia, or schizoaffective disorder is generally a contraindication for psilocybin work. Psychedelics can intensify perceptual and psychological experiences in ways that may be harmful for people with these histories.
Each situation is considered individually, but in most cases this history means psilocybin facilitation is not the appropriate path.
Active or Recent Suicidal Ideation
If you are currently experiencing suicidal thoughts or have experienced them recently, psilocybin work is not the right immediate step. The priority in that situation is stabilizing support through appropriate mental health care.
For people who have a more distant history with suicidal ideation and are currently stable, psilocybin work may still be appropriate — particularly when paired with ongoing support from a therapist. This is something we discuss openly during the screening process.
SSRIs and Other Antidepressants
Being on an SSRI does not automatically disqualify you from psilocybin work. Many people explore this path while taking antidepressants.
That said, certain medications can affect how psilocybin works in the body, and this is always worth discussing openly. If your prescribing physician recommends tapering before a session, that guidance takes priority. Otherwise we can have an informed conversation about your specific situation and what to expect.
Cardiovascular and Medical Conditions
Psilocybin produces temporary physiological changes including shifts in heart rate and blood pressure. For people with certain cardiovascular conditions or other significant medical concerns, additional caution is warranted.
Depending on the nature and severity of your condition, medical clearance from your physician may be appropriate before moving forward. This is evaluated on a case by case basis during the intake process.
Active Mental Health Instability
Psilocybin is not a crisis intervention. If you are currently in a period of acute emotional instability or severe untreated depression, the more important first step is building a foundation of support through appropriate mental health care.
Psilocybin experiences can open powerful emotional material. Having stability and support structures in place before the journey matters significantly for how that material can be integrated afterward.
The Purpose of Screening
Colorado's Natural Medicine Health Act requires preparation sessions before any psilocybin experience — in part because thoughtful screening protects clients and supports better outcomes.
During our initial consultation and preparation sessions, we review health history, current medications, mental health background, and personal intentions. Sometimes the most responsible outcome of that conversation is recognizing that a different kind of support may serve you better right now.
That's not a failure. It's good facilitation.
Not Sure If This Is Right for You?
If you have questions about your specific situation — medications, mental health history, medical conditions — the best first step is simply a conversation.
I offer free discovery calls where we can talk through your circumstances honestly and openly, without pressure or expectation.
For more on how the preparation process works, visit the Preparation & Integration page.
