Synopsis

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

Pelargonium, specifically Pelargonium sidoides, is used to support or treat bronchitis, and this use is backed by scientific evidence. Several randomized, placebo-controlled clinical trials have examined Pelargonium sidoides extract (commonly marketed as EPs 7630) for acute bronchitis. These studies generally report that Pelargonium extract may reduce the severity and duration of symptoms such as cough, sputum production, and fatigue in adults and children with acute bronchitis. Meta-analyses and systematic reviews (e.g., Cochrane reviews) conclude that Pelargonium sidoides extract appears more effective than placebo for symptom relief in acute bronchitis, but they also note limitations in the quality and consistency of some studies, as well as potential publication bias.

The mechanism of action is not fully understood, but Pelargonium extracts are thought to have immunomodulatory and potential antimicrobial effects. The extract is traditionally used in South African herbal medicine for respiratory tract illnesses, but its current use for bronchitis is heavily influenced by clinical trials conducted in Europe and elsewhere. While the evidence is considered moderate (score of 3), further high-quality, independent studies are needed to confirm efficacy and safety. Notably, these findings apply specifically to standardized Pelargonium sidoides extracts, not to all Pelargonium species or unspecified preparations.

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