Synopsis

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

Calamus (Acorus calamus), also known as sweet flag, has a long history of use in traditional medicine systems such as Ayurveda and traditional Chinese medicine. It has been employed historically to alleviate a variety of respiratory conditions, including coughs, particularly those described as "spastic" or involving spasms of the airway. Traditional texts attribute expectorant, antispasmodic, and soothing properties to calamus rhizome, with some practitioners recommending its use in the form of decoctions, powders, or inhalations for cough relief.

However, there is very limited, if any, modern scientific evidence to support the efficacy of calamus specifically for spastic cough. Most available data are derived from ethnobotanical records, anecdotal reports, or preclinical studies focusing on broader effects such as anti-inflammatory or antispasmodic activity, not directly on cough in humans. Furthermore, concerns exist regarding the safety of calamus, as certain varieties contain β-asarone, a compound with demonstrated toxicity in animal studies. Due to insufficient clinical studies and potential toxicity, its use is not recommended in evidence-based modern medicine for treating cough.

In summary, the use of calamus for spastic cough is primarily supported by traditional use, with minimal scientific validation and notable safety concerns.

More about Calamus
More about Cough (spastic)

Other ingredients used for Cough (spastic)

Other health conditions supported by Calamus

Products containing Calamus