Synopsis

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

Spanish Needle (Bidens pilosa) has a long history of use in traditional medicine for treating bites and stings, particularly in regions of Africa, Asia, and the Caribbean. Traditional healers have used crushed leaves or poultices of the plant topically to relieve discomfort, reduce swelling, and promote healing following insect bites, stings, or even snakebites. The rationale for its use likely stems from the plant’s recognized anti-inflammatory and antimicrobial properties, which have been demonstrated in laboratory studies, though not specifically for bites and stings. Ethnobotanical surveys often list Bidens pilosa among plants used for skin ailments and wound care, including reactions to bites.

However, direct scientific validation for its efficacy specifically in treating bites or stings is limited. While some laboratory studies indicate that extracts of Spanish Needle possess anti-inflammatory, analgesic, and wound-healing effects, there are very few clinical or animal studies targeting bites or stings directly. The available evidence is thus mainly anecdotal or based on traditional use, with limited preclinical support for related activities. In summary, the use of Spanish Needle for bites and stings is primarily rooted in tradition, with a low but non-zero level of indirect scientific support.

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