Synopsis

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

Cedar, which may refer to species such as Juniperus virginiana (Eastern Red Cedar) or Thuja occidentalis (Northern White Cedar), has a history of use in traditional medicine, particularly among Indigenous peoples of North America. Historically, cedar leaves, bark, or oil have been applied topically or used in baths to treat skin conditions such as rashes, hives, eczema, and general irritation. The rationale for these uses was based on cedar's perceived antimicrobial and anti-inflammatory properties, as well as its aromatic qualities believed to promote healing and purification.

However, the scientific validation for these uses is limited. While some laboratory studies indicate that cedar extracts may possess antimicrobial or anti-inflammatory compounds (such as thujone or cedrol), robust clinical trials evaluating their effectiveness for rashes or hives in humans are lacking. Moreover, topical application of cedar preparations can sometimes cause allergic reactions or skin irritation in sensitive individuals.

In summary, the use of cedar for rashes and hives is primarily rooted in tradition, with some suggestive but not conclusive scientific support. The overall quality of evidence is low, and caution should be used due to potential for skin sensitization.

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