“…In children with TTM, it has been shown that 38.3%–39.1% of treatment seekers had at least one comorbid diagnosis, with the most common being generalized anxiety, depression, social phobia, OCD, attention deficit/hyperactivity disorder, and oppositional defiant disorder (Franklin et al, 2008; Tolin et al, 2007). In another study, 23.6% of young children with TTM endorsed at least one diagnosis of an anxiety disorder, attention-deficit/hyperactivity disorder, OCD, a mood disorder, and a tic disorder (Walther et al, 2013), while another found frequent co-occurring developmental problems, chronic pediatric concerns, and family stressors (Wright & Holmes, 2003). …”