Synopsis

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

Cinnamic aldehyde, the main component of cinnamon oil, has been used traditionally in various systems of medicine, particularly in Traditional Chinese Medicine (TCM) and Ayurveda, for treating colds, especially those accompanied by fever. In TCM, cinnamon twig (Gui Zhi), which contains cinnamic aldehyde, is commonly included in herbal formulas aimed at "releasing the exterior," which refers to managing early-stage colds and flu-like symptoms. The warming properties of cinnamic aldehyde are believed to help dispel cold, improve circulation, and induce mild sweating, which is thought to help reduce fever and resolve the early stages of infection.

From a scientific perspective, some in vitro and animal studies indicate that cinnamic aldehyde exhibits anti-inflammatory and mild antimicrobial properties, as well as the ability to modulate immune responses. However, there is a lack of robust clinical evidence supporting its effectiveness specifically for treating colds with fever in humans. Most clinical trials involving cinnamon or its constituents focus on metabolic or antimicrobial effects rather than on respiratory infections or fever management. As a result, its use for colds with fever is primarily justified by traditional practice rather than scientific validation.

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