Synopsis

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

Calendula (Calendula officinalis), also known as marigold, has a long history of traditional use for various skin and mucous membrane conditions, including earaches and ear infections (otitis media). Herbalists and practitioners of traditional medicine have used calendula preparations—typically as an ingredient in herbal ear drops—on the basis of its reputed anti-inflammatory, antimicrobial, and soothing properties. The most common use is in combination with other herbs, such as garlic or mullein, rather than as calendula alone.

Despite its popularity in traditional and folk remedies, there is limited scientific evidence specifically supporting calendula's efficacy in treating ear infections or earaches. A few small clinical studies and reviews have evaluated herbal ear drops containing calendula, but these often use calendula as one of several ingredients, making it difficult to isolate its effect. Some in vitro studies demonstrate antimicrobial and anti-inflammatory activity of calendula extracts, suggesting a plausible mechanism, but robust, high-quality clinical trials are lacking.

Overall, calendula's use for ear infections or earache is primarily justified by tradition rather than scientific validation. Evidence quality is low (rated 2/5), and calendula should not be considered a substitute for established medical treatments, especially in cases where bacterial infection is suspected or in young children.

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