指导吸烟者戒烟是预防急性支气管炎最有效的方法。此外,一些证据表明,使用维生素 A 和维生素 D 可以降低罹患急性支气管炎和其他呼吸系统感染的风险。[7]Chen H, Zhuo Q, Yuan W, et al. Vitamin A for preventing acute lower respiratory tract infections in children up to seven years of age. Cochrane Database Syst Rev. 2008;(1):CD006090.http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD006090.pub2/fullhttp://www.ncbi.nlm.nih.gov/pubmed/18254093?tool=bestpractice.com[8]Martineau AR, Jolliffe DA, Hooper RL, et al. Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ. 2017;356::i6583.http://www.bmj.com/content/356/bmj.i6583http://www.ncbi.nlm.nih.gov/pubmed/28202713?tool=bestpractice.com[9]Ginde AA, Blatchford P, Breese K, et al. High-dose monthly vitamin D for prevention of acute respiratory infection in older long-term care residents: a randomized clinical trial. J Am Geriatr Soc. 2017;65:496-503.http://onlinelibrary.wiley.com/wol1/doi/10.1111/jgs.14679/fullhttp://www.ncbi.nlm.nih.gov/pubmed/27861708?tool=bestpractice.com