Sudden Cold Snap triggers Earlyโฃ Onset ofโฃ Allergic Rhinitis for Millions
SEOUL, SOUTH KOREA -โฃ December 4, 2025 -โฃ A dramatic and โunseasonably cold temperature drop across South Korea is prompting a surge in allergicโ rhinitis cases, with pharmacies reporting increased demand for over-the-counter antihistamines. Many individuals are already โคseeking relief,bracing for a potentially severeโ allergy seasonโ weeks ahead ofโข its typical start.
The rapid shiftโค in weather,โ from mild autumn โtemperatures to near-freezing conditions within days, โis believed โto be aโ key factor. This abrupt โฃchange stresses the immune system, making individuals more susceptible to allergens like dustโข mites and โmold โคspores, which thrive inโ colder, damper environments. Pharmacists โขare observing a meaningfulโ uptick in customers โpurchasing medications such as Zyrtec, with some reporting โinquiries for bulk purchases of 100-tabletโ supplies. the early onset raises concerns about a prolongedโ and intense allergy โseason,โฃ potentiallyโ impacting productivity and quality โขof โlife for a substantial โฃportion of the population.