Anxiety in adults with autism: Perspectives from practitioners

•Anxiety affects a large proportion of the autistic population and can have a significant impact on the lives of these individuals.•Thematic analysis was used to analyse interviews with practitioners who work closely with adults who are on the spectrum and have anxiety.•Practitioners often modify their standard anxiety interventions to suit adults with autism but this varies and is inconsistent.•Practitioners also reported thinking inventively and that adults with autism may particularly benefit from continued support with anxiety.•Current measures may not accurately gauge anxiety in adults with autism.