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Background Education is the most essential component for effective asthma control and is endorsed by guidelines worldwide. However, multiple caregivers are often jointly involved in child care, and educating them is often a challenging task. This study determines the effectiveness of a web-based asthma education program in enhancing knowledge, attitude and practice of caregivers and reducing unscheduled hospital visits of children for asthma. Methods A two-arm, randomized controlled trial was carried out between November 2018 and December 2019. Child-parent dyads were recruited when the children (4–11 years of age) were admitted due to asthma exacerbations. A nurse-led web-based home asthma education program was developed and implemented before discharge. Outcomes included parents' knowledge, attitude and practice regarding asthma and frequency of unscheduled visits and readmissions in children. Results 112 child-parent dyads were enrolled. The parents' knowledge, attitude and practice and the number of unscheduled visits of the children were found to be significantly different between two groups at different time points (Ps 0.8). Conclusion This intervention was shown to be an effective strategy to educate caregivers who are jointly involved in their child's asthma control after discharge from hospital. Trial registration The Chinese Clinical Trial Registry, World Health Organization (ChiCTR1800019706).

BACKGROUND To define the role of topical timolol maleate (TTM) in the treatment of infantile haemangiomata (IH). METHODS In this single-centre randomised controlled trial, we included all