Evidence supporting the use of: Thyme
For the health condition: Cough (spastic)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Thyme (Thymus vulgaris) has a long history of use in traditional medicine for respiratory ailments, particularly coughs, including spastic (or convulsive) coughs. The justification for its use is supported by both traditional practices and a growing body of scientific evidence. Thyme contains several bioactive compounds, most notably thymol and carvacrol, which have demonstrated antispasmodic, antimicrobial, and anti-inflammatory effects in laboratory studies. These constituents are thought to help relax the tracheal muscles and reduce the frequency and intensity of coughing.

Several clinical studies and systematic reviews provide moderate evidence supporting thyme’s efficacy in treating cough. For example, a double-blind, placebo-controlled trial published in 2006 found that a combination of thyme and ivy extract significantly reduced the frequency and severity of cough compared to placebo in patients with acute bronchitis. Additionally, the German Commission E, a well-known authority on herbal medicines, has approved thyme for the treatment of symptoms of bronchitis and whooping cough, based on both traditional use and clinical evidence.

While more large-scale, high-quality trials are needed to fully establish thyme’s effectiveness and determine optimal dosing, current evidence suggests that thyme is a reasonable adjunct in managing spastic cough, especially when used as an herbal extract or syrup. Its favorable safety profile and long-standing use further support its consideration in this context.

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