There is a growing body of research [1] that questions the usefulness of drugs for mental health. I personally know a case at a local hospital (in Europe) where a switch off meds and into therapy brought serious improvements in elderly patients.

[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2582668/ , https://blogs.scientificamerican.com/cross-check/are-antidep... , https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4592645/