[Functional Constipation and Nonretentive Fecal Incontinence in Children and Adolescents: Clinical Guideline for Assessment and Treatment].

Functional Constipation and Nonretentive Fecal Incontinence in Children and Adolescents: Clinical Guideline for Assessment and Treatment Constipation and fecal incontinence are common disorders in children and adolescents and are associated with incapacitation and a high rate of comorbid psychological disorders. Functional constipation and nonretentive fecal incontinence can be differentiated according to the current Rome-IV classification systems. This interdisciplinary guideline aims to summarize the current state of knowledge regarding somatic and psychiatric assessment and treatment. It formulates consensus-based, practical recommendations. The members of the Guideline Commission consisted of 11 professional associations and a parental organization. The guideline was based on current literature searches, several online surveys, and consensus conferences based on standard procedures. Functional constipation is much more common than nonretentive fecal incontinence. Constipation requires a detailed medical assessment to exclude somatic causes, especially in young children. Red flags are useful indicators of organic causes to be considered. Most cases of constipation are functional (approximately 95 %). Counseling, toilet training, disimpaction, and long-term oral laxatives, combined with cognitive-behavioral interventions, are most effective. The assessment and treatment of nonretentive fecal incontinence are similar. The rate of somatic factors is much lower (approximately 1 %). Laxatives can worsen outcomes and should be avoided. Comorbid psychological disorders are common (approximately 30 % to 50 %). They should be assessed and treated additionally according to evidence-based guidelines. The recommendations of this guideline were approved with a high consensus. Interdisciplinary cooperation is especially important, as somatic factors and comorbid psychological disorders and symptoms need to be considered. More research is required, especially regarding nonretentive fecal incontinence.