This book examines the implications of anxiety for children who have different types of comorbid mental health problems or chronic physical illnesses. It describes the differences between anxiety and fear in children and addresses how anxiety presents in children. The book presents ideas for treatment of anxiety in children and adolescents using examples and case studies. Chapters review evidence-based practices and explore common challenges in managing anxiety in school and community settings. In addition, chapters offer recommendations for improving social and emotional functioning and reducing anxiety symptoms, along with practical guidelines for working with children in therapy settings. Topics featured in this book include: The co-occurrence of anxiety and depression in children and adolescents. The appearance of anxiety before or after substance abuse. Typical and atypical presentations of anxiety in children with autism spectrum disorder. Chronic illness and anxiety in young children. Family-oriented cognitive behavior therapy and its use in children with Attention-Deficit/ Hyperactivity Disorder. The potential relationship between conduct disorder and oppositional defiant disorder, and anxiety. Anxiety Management in Children with Mental and Physical Health Problems is a must-have resource for researchers, professors, and graduate students as well as clinicians and other practitioners in clinical child and school psychology, social work, public health, family studies, educational psychology and counseling, health education, and allied disciplines.