And despite the proliferation of anti-depressant medications, the truth is that these pharmaceutical drugs just have far too many dangerous side effects that psychedelics don’t have. Selective serotonin reuptake inhibitors (SSRIs) as well as serotonin-noradrenaline reuptake inhibitors (SNRIs) are the most common prescribed drugs for the treatment of anxiety and depression, and while they do work for many, they can also leave you with a host of unwanted effects including.