• Shan Lan, Lun Pan, Yang Qin, Lijie Ma, and Hongyu Yi.
• Department of General Practice, Graduate School of Chengdu Medical College, Chengdu, China.
• Medicine (Baltimore). 2025 Jan 10; 104 (2): e41136e41136.

BackgroundPostinfectious cough was a common clinical symptom, which troubled patients and increased economic burden. The efficacy of pharmacotherapy for this symptom was unsatisfactory. This study aimed to explore the intervention effect of intensified mask-wearing on patients with post-upper respiratory tract infection cough and its role in reducing the economic burden of patients.MethodsAs a randomized, controlled, single-blind trial, a total of 46 eligible patients with postinfectious cough were selected from local hospital, from November 2023 to February 2024. They were randomized into a control group (n = 21) and an experimental group (n = 25). Both groups received routine diagnosis and treatment, and the experimental group additionally received wearing medical surgical masks for >8 hours every day. All patients were followed up by on-site evaluation or telephone follow-up every 3 days for 3 weeks. We used a cough evaluation test to evaluate symptoms, recorded mask-wearing duration, and adjusted the treatment plan.ResultsThere were no statistically significant differences in age, gender, course of disease, cough severity, and time of wearing face masks in the early stage between 2 groups (P > .05). Three people (12.0%) in the experimental group were excluded from the study because of substandard wearing face masks. The average daily mask-wearing time of the experimental and control groups were: 9.7 ± 0.9 versus 1.2 ± 2.2 hours (P < .001). There was a statistically significant difference in cough severity scores between 2 groups on the 9th day of follow-up, 6.6 ± 2.0 versus 8.0 ± 2.5 (P < .05), the markedly effective and total effective rates were: 86.4% versus 57.1% and 31.81% versus 38.09 % (P <.05). The treatment time for all patients in 2 groups to achieve effectiveness was: 10.1 ± 4.6 versus 13.0 ± 4.1 days (P < .05). The final medical expenditure of 2 groups were 289.4 (185.2, 782.2) CNY versus 717.5 (548.5, 1582.2) CNY (P < .05).ConclusionThe compliance of patients with intensive wearing face masks was high. The intensive wearing of face masks had a good intervention effect on the treatment of postinfectious cough, which could effectively reduce cough symptoms of patients, shorten the course of the disease, and reduce medical expenditure.Copyright © 2025 the Author(s). Published by Wolters Kluwer Health, Inc.

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