Synopsis

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

Terpenes are a large and diverse class of organic compounds produced by a variety of plants, particularly conifers and citrus fruits. Historically, essential oils rich in terpenes (such as eucalyptus, pine, and tea tree oils) have been used in traditional medicine systems for the symptomatic relief of colds and respiratory ailments. These uses often involved inhalation of steam containing essential oils or topical application to the chest. The rationale was based on observations of decongestant effects and aromatic properties that seemed to ease breathing.

While some in vitro studies suggest certain terpenes (such as eucalyptol, menthol, and limonene) possess mild antiviral or antimicrobial activity, direct clinical evidence supporting their effectiveness for treating or preventing the common cold in humans is limited and generally weak. The majority of supportive evidence comes from traditional use and anecdotal reports rather than robust, placebo-controlled clinical trials. Thus, the use of unspecified terpenes for colds is best characterized as traditional, with moderate historical precedent but low scientific validation.

More about Terpene (unspecified)
More about Colds (antiviral)

Other ingredients used for Colds (antiviral)

Other health conditions supported by Terpene (unspecified)

Products containing Terpene (unspecified)