My niece, who is really like a daughter to us, lives with us currently and is the person in our family with PTSD. So, a little different situation than with a spouse. However, yes my husband or I have accompanied her to her psychiatrist and to group therapy on occasion. Part of our reason for attending is her extreme social phobia, which manifests in her often not being able to speak at all. So we go along to ensure that she gets the treatment she needs, as advocates for her really. We don't go all the time though, as it is crucial for her to go on her own as well. We are planning on having family therapy with her eventually, being myself, my husband and her attending sessions and working on issues together.