The practice is considered controversial as unlike with other types of euthanasia, a patient euthanized for mental illness alone is usually not terminally ill, and may have their decisional capacity impeded by their condition.[7][8][9] It is also considered more difficult with psychological conditions to determine an objective prognosis, or whether a disorder is irremediable.[10][11]
^Ramos-Pozón, Sergio; Terribas-Sala, Núria; Falcó-Pegueroles, Anna; Román-Maestre, Begoña (2023). "Persons with mental disorders and assisted dying practices in Spain: An overview". International Journal of Law and Psychiatry. 87. Elsevier BV. doi:10.1016/j.ijlp.2023.101871. hdl:2445/195880. ISSN0160-2527. PMID36871498.
^Olié, Emilie; Courtet, Philippe (2016-08-09). "The Controversial Issue of Euthanasia in Patients With Psychiatric Illness". JAMA. 316 (6). American Medical Association (AMA): 656–657. doi:10.1001/jama.2016.9883. ISSN0098-7484. PMID27532920.