Changes to health care delivery mean that family members are increasingly called upon to provide informal care for injured or ill military personnel and Veterans. When one family member has a long-term physical or mental health condition, many areas of family life are affected (e.g., emotional functioning, daily activities, family relationships, health and sleep, holidays, care involvement and caregiving support, work and study, and finances). One way to better support families is to meaningfully involve them in care planning and coordination. This article discusses some of the challenges that practitioners and families face when working as partners in care. It also offers practitioners a way to talk with military personnel and Veterans about the value of sharing their health-related information with family members. There are barriers to family-centred care in military-connected families. Practitioners face challenges navigating privacy and confidentiality provisions. Families report difficulties accessing important health-related information from military personnel and Veterans. This article highlights the impacts of informal care on families, identifies at-risk caregivers and families, outlines the family-centred approach to care, and discusses cultural barriers to information sharing in military and Veteran families. A decisional counselling intervention is detailed, which provides practitioners with an informed-consent process for facilitating the sharing of health-related information in military and Veteran families. The intervention is both patient- and family-centred, while managing the medico-legal risks practitioners must navigate in relation to privacy and confidentiality provisions. Given the challenges military and Veteran families face with respect to family-centred care, a pilot study that compares the effectiveness of the proposed decisional counselling intervention with treatment-as-usual is warranted. Il y a des obstacles aux soins ax & eacute;s sur la famille dans les familles de militaires. Les praticien(ne)s affrontent des probl & egrave;mes en raison des dispositions en mati & egrave;re de vie priv & eacute;e et de confidentialit & eacute;. Les familles signalent des difficult & eacute;s & agrave; acc & eacute;der & agrave; de l'information importante li & eacute;e & agrave; la sant & eacute; du personnel militaire et des v & eacute;t & eacute;ran(e)s. Cet article fait ressortir les effets des soins informels sur les familles, d & eacute;termine quel(le)s sont les proches aidant(e)s et les familles & agrave; risque, fait ressortir une approche des soins ax & eacute;e sur la famille et traite des obstacles culturels au partage d'information dans les familles de militaires et de v & eacute;t & eacute;ran(e)s. Une intervention de conseil d & eacute;cisionnel est d & eacute;crite et fournit aux praticien(ne)s un processus de consentement & eacute;clair & eacute; pour faciliter le partage d'information li & eacute;e & agrave; la sant & eacute; dans les familles de militaires et de v & eacute;t & eacute;ran(e)s. L'intervention est ax & eacute;e & agrave; la fois sur le (la) patient(e) et sur sa famille, tout en g & eacute;rant les risques m & eacute;dicol & eacute;gaux auxquels les praticien(ne)s doivent faire face en ce qui concerne les dispositions relatives & agrave; la vie priv & eacute;e et & agrave; la confidentialit & eacute;. & Eacute;tant donn & eacute; les difficult & eacute;s qu'affrontent les familles de militaires et de v & eacute;t & eacute;ran(e)s & agrave; l'& eacute;gard des soins ax & eacute;s sur la famille, un projet pilote comparant l'efficacit & eacute; de l'intervention propos & eacute;e en mati & egrave;re de conseil d & eacute;cisionnel avec le traitement habituel est justifi & eacute;e.