'If one doesn't happen, the other will': forensic mental health service patients' experiences of co-occurring self-harm and aggression.

Background: Co-occurring self-harm and aggression (dual harm) is particularly prevalent among forensic mental health service (FMHS) patients. There is limited understanding of why this population engages in dual harm.

Aims: This work aims to explore FMHS patients' experiences of dual harm and how they make sense of this behaviour, with a focus on the role of emotions.