Recommend watching the interview @JulesEvans11 did with someone who had long term anxiety from ayahuasca sessions. Humbling as she was prepared, knowledgeable, and well experienced with meditation and mental health practice. She reports feedback from psychedelic practitioners that put the blame on her and shamed her for the the distress. I've seen this first hand in clinical trials research when a heavy handed approach is applied. Difficulties are put on the patient for allowing their "ego" to trick them. Every difficulty can be construed as their failure to be open to the experience. I strongly suspect the "retreat" practice of massing multiple psychedelic sessions within a few days was a major factor in her case. They try to pack in all these sessions into a brief visit, with sessions every day or every other day. Then off on a plane home a day or two after the last session. This hardly sounds optimal to me, and seems to be more a product of the retreat industry trying to sell folks more bang for their buck. Link in the post below.