<p>Objective: To understand better what helps and/or hinders asthma action plan use from the professionals and patients/carers perspective.</p> <p>Methods: Systematic review and qualitative synthesis (using meta-ethnography).</p> <p>Results: Nineteen studies (20 papers) were included in an analysis of patients/carers’ and professionals’ views. Seven main influences on action plan implementation were identified including perceived un-helpfulness and irrelevance of the plans. Translation and synthesis of the original authors’ interpretations suggested that action plan promotion and use was influenced by professional and patient/carers’ asthma beliefs and attitudes and patient/carer experiences of managing a...