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Citronella Oil Shows Promise as Dengue Mosquito Deterrent: Experts

Medical experts suggest that citronella oil may offer protection against dengue-carrying mosquitoes when applied topically. The approach could provide a simple, accessible preventive measure for individuals in high-risk areas.

LSN India · 15 September 2026

Health professionals are examining the potential of citronella oil as a practical tool in dengue prevention strategies. According to medical researchers, the application of small quantities of citronella oil to exposed skin may help repel Aedes mosquitoes, which are responsible for transmitting the dengue virus across South Asia.

The compound has long been recognized for its mosquito-repellent properties, though its specific effectiveness against dengue vectors requires continued scientific evaluation. Experts note that citronella oil works by creating a barrier that deters mosquitoes from landing on treated skin surfaces, potentially reducing the risk of disease transmission.

While citronella oil presents a low-cost, readily available option for personal protection, medical professionals emphasize that it should complement rather than replace established dengue prevention methods. These include eliminating standing water where mosquitoes breed, using insecticide-treated nets, and maintaining proper sanitation in residential areas.

For individuals in regions where dengue remains endemic, incorporating citronella oil into daily mosquito-avoidance routines may offer an additional layer of protection, particularly during peak transmission seasons. However, healthcare providers recommend consulting medical professionals to determine the most appropriate personal prevention strategies based on individual circumstances and local dengue activity levels.