The purpose of couples therapy is to restore a better level of functioning in couples who experience relationship distress. The reasons for distress can include poor communication skills, incompatibility, or a broad spectrum of psychological disorders that include domestic violence, alcoholism, depression, anxiety, etc.
Sex therapy is a type of psychotherapy which addresses concerns about sexual function, sexual feelings and intimacy — either in individual therapy or in joint therapy with your partner. All of the work you do in the therapy room is based on talking, however, you are also given homework to do with your partner in the privacy of your own home. Sex therapy can be effective for adults of any age, sex or sexual orientation.