This study aimed to identify, describe and generate concepts regarding health care professionals' information exchanges with minors and/or their parents/guardians in paediatric caring situations. The study took place at three paediatric outpatient units at a university hospital and there were 15 health care professionals involved. Using the grounded theory and the constant comparative analysis methods, the data collection and analysis was undertaken simultaneously, using participant observation, review of medical records and follow-up interviews. The main concern of the health care professionals that emerged as the core category was: sharing and contributing responsibility, interrelated with the six categories; interchanging of knowledge, relationship-creating chat, calculated confirming, encouraging, dichotomous talking and of situation related effects. This research has explored the elements of information exchange in caring situations and highlighted the interaction between the involved persons. These findings could be valuable to health care professionals in order to develop and improve their caring skills.