Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Citrus oil, particularly derived from the peels of oranges, lemons, and other citrus fruits, has traditionally been used in various cultures as a home remedy for symptoms associated with colds and fever. The use of citrus oil is generally based on its aromatic properties, which are believed to help clear nasal passages and provide a sense of relief from congestion. Additionally, citrus fruits are high in vitamin C, and their association with immune support has contributed to the belief that citrus oils may benefit those with respiratory infections. However, the essential oil itself does not contain significant vitamin C, as the vitamin is water-soluble and not present in the oil fraction. From a scientific perspective, direct evidence supporting citrus oil’s efficacy in treating colds, especially those accompanied by fever, is minimal. While citrus oils (such as limonene-rich extracts) do exhibit some antimicrobial and anti-inflammatory properties in vitro, these effects have not been robustly demonstrated in clinical trials for cold treatment. Aromatherapy with citrus oil may provide subjective relief through its pleasant scent and possible mood-enhancing effects, but this does not equate to a true therapeutic effect on colds or fever. Therefore, while citrus oil may be used traditionally for symptomatic relief, the scientific basis for its use in this context remains weak.

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