•Patients with severe medically unexplained symptoms (MUS) have problems with mentalization: they have difficulty experiencing a connection between physical phenomena and inner states. Therefore a body-centred mentalizing focus is of great importance during an intensive clinical/day treatment. Therapists focus on their patients’ and their own bodily signals. Their interventions can be classified in a number of categories that are typical for this Bodycentred mentalization-based therapy (B-MBT). …