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Can use of menthol-containing cough drops worsen a cough?

KEY POINT

Results of an observational study published in the Journal of the American Board of Family Medicine showed that use of cough drops was associated with a longer duration of cough compared with nonuse. A significant association was seen between cough severity and the average menthol dose per cough drop, the number of cough drops consumed per day, and the total amount of menthol consumed per day.

SOURCES

Johnson D, et al. Menthol cough drops: Cause for concern? J Am Board Fam Med. 2018;31(2):183–91.