Honey has both traditional and scientific support for its use in treating dry cough, but there is substantial scientific validation, especially in children. Multiple randomized controlled trials and systematic reviews have shown that honey can be more effective than placebo or no treatment, and as effective as or better than some over-the-counter cough suppressants (such as dextromethorphan) in reducing the frequency and severity of nighttime coughing, particularly in children over 1 year old. Its soothing effect is attributed to its demulcent properties, which coat the throat and may reduce irritation.

A 2018 systematic review and meta-analysis published in BMJ Evidence-Based Medicine found that honey likely improves cough symptoms more than usual care, though the quality of evidence is moderate. Studies also note honey’s antimicrobial and antioxidant properties, which may contribute to its effect. However, honey should not be given to children under 1 year due to the risk of infant botulism.

In summary, honey is supported by both historical use and modern clinical studies as a symptomatic treatment for dry cough, and is recommended by several health organizations as a home remedy for cough in older children and adults.