Background: Suicide is a global health problem, according to WHO 800 000 people worldwide commit suicide every year and the suicide attempts are far more. Aim: To describe intensive care nurses’ (ICU nurse) experiences of taking care of patients, at an intensive care unit, who has committed a suicide attempt. Method: A descriptive design with a qualitative approach was used. Semi structured interviews with ten ICU nurses were conducted and analyzed using qualitative content analysis. Results: Five categories were found; To meet patients who has committed a suicide attempt is complicated, To meet relatives of patients who has committed a suicide attempt, To patients who has committed a suicide attempt, psychiatry has meaning, To care for patients who has committed a suicide attempt brings up a lot of emotions, and To experience limitations and possibilities when taking care of patients who has committed a suicide attempt. ICU nurses described the complexity of nursing, communicating and treating patients who have committed a suicide attempt. These patients were described as a recurrent group, who often had an earlier experience of psychiatric care. They described a variety of reactions from relatives and the relatives need for support. ICU nurses experienced a long wait for the psychiatric consultation which contributed to slowing down the planning of the patients’ continued care. ICU nurses referred to suicide as tragic and that it brings up a lot of emotions among them. They also described that they experienced differences in severity of the suicide attempt depending on the use of suicide method and that prejudices existed among colleagues. ICU nurses described they lacked knowledge about mental illness and wished for better cooperation with psychiatric care. Conclusion: ICU nurses described the complexity of nursing, communicating and treating this group of patients due to lack of knowledge and that cooperation with psychiatric care could be improved.