For inquiries regarding the utilization of ethnobotanicals, or in case you are experiencing an adverse situation or difficulty integrating and experience, please read this page. For inquiries regarding legal support , please read this page.

  • We don’t offer sessions of ayahuasca or iboga.
  • We don’t recommend centers or people who perform/do sessions.

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    Carrer de Sepúlveda, 65 , Oficina 2, 08015 Barcelona España +34 931 88 20 99
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    Drug Interaction Information Service

    Questions about Drug Interactions

    I am receiving medical treatment. Can I combine it with psychoactive plants?

    A free service from ICEERS to answer questions about possible interactions between psychoactive plants and drugs or medical treatments.

    • The questions are reviewed by a team of experts who provide an opinion, which in no case should be considered as advice or a medical prescription.
    • This service is provided as a harm reduction intervention, and in no case replaces medical consultation.
    • The average time of response to inquiries is one week.

    If you have had a challenging experience with psychoactive plants that you are finding difficult to integrate and would like to speak with someone, visit our Support Center.


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    Information request

    Questions about drug or treatment interactions cannot be answered properly without detailed information. In order to help us answer your question, we need complete answers below.

    Required field

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    Must be equal

    What interaction are you inquiring about? What is the drug/medication or medical treatment the person is taking or undergoing? What is the condition being treated? What enthobotanical plants are they considering taking?

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    Must be a valid year

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    List the medications being taken

    Medication 1

    Medication 2

    Medication 3


    * Required fields

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    Review your query

    Review or modify the reply address

    Review or modify the summary

    Medication list


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    We are almost done!

    We need you to understand the limits of this service and for that we need you to accept the following terms and conditions:

    (This is the summarized version of the agreement; here you can see the full version)