Fyrhuset, Technical Department, is a mental health service in Oslo that has a long history, when it was opened in 1855 as Norway's first state hospital for mental disorders. The institution was established with the efforts of the doctor Herman Wedel Major, and since then has had a significant role in the development of Norwegian psychiatry. Fyrhuset focuses on the treatment of serious mental disorders, as well as drug addiction and addiction.
As part of Oslo University Hospital HF, Fyrhuset contributes to a holistic offer within mental health. The historical significance of the institution is emphasized by its long-term presence and development within the field, which has made it an important player in the treatment of mental health challenges in Norway.