Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Citronella (Cymbopogon nardus and Cymbopogon winterianus) has a long history of traditional use for repelling insects and, secondarily, for soothing insect bites and stings. Historically, citronella oil has been applied topically in various cultures, particularly in Southeast Asia, as a folk remedy to alleviate irritation and inflammation from insect bites. The rationale behind its use is twofold: first, its strong scent repels insects, and second, its application is believed to provide a mild soothing effect on the skin.

However, scientific validation for citronella as a treatment for bites and stings is limited. Most research focuses on its efficacy as an insect repellent rather than as a remedy for already existing bites or stings. There are some minor studies and anecdotal reports suggesting that citronella oil may have mild anti-inflammatory and analgesic properties, but these effects have not been robustly demonstrated or widely studied in clinical settings. The rating of 2 reflects that, while there is traditional use and some plausibility based on the oil’s properties, scientific evidence supporting its efficacy for treating bites and stings is weak. As such, citronella’s use for this purpose is grounded more in tradition than in validated medical research.

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