Synopsis

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

Black Seed (Nigella sativa) has a long history of use in traditional medicine systems, particularly in the Middle East and South Asia, for managing respiratory ailments such as coughs, including spastic (irritative or spasmodic) coughs. Traditional healers have used black seed oil and preparations for centuries to help soothe coughs and other symptoms of bronchial irritation. The basis for this use comes from historical texts and ethnobotanical surveys, wherein black seed is described as an agent to relieve respiratory discomfort and promote expectoration.

Some small-scale scientific studies and preclinical research suggest potential antitussive (cough-suppressing), bronchodilatory, and anti-inflammatory properties of black seed, attributed mainly to its active compound thymoquinone. However, robust clinical trials specifically investigating black seed’s efficacy for spastic cough in humans are lacking. Thus, while traditional use is well documented, scientific evidence supporting its effectiveness for this particular indication is limited and inconclusive. The evidence rating reflects strong traditional use but only modest scientific support.

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