Evidence supporting the use of: Salt (sea)
For the health condition: Laryngitis

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Synopsis

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

Sea salt, particularly in the form of saline or saltwater gargles, has a long-standing tradition in folk and home remedies for soothing sore throats and treating laryngitis. The rationale is that saltwater can help reduce throat inflammation, loosen mucus, and create an environment less hospitable to pathogens. Historical usage is widespread across cultures, and medical professionals sometimes recommend saline gargles as part of supportive care for upper respiratory infections, including laryngitis.

However, the scientific evidence supporting the direct efficacy of saltwater (including sea salt) gargles for laryngitis is limited. Most available studies focus on sore throat relief rather than laryngitis specifically, and the evidence base is largely anecdotal or based on small studies. Some research suggests that saline solutions may help reduce symptoms or improve comfort, but there is no strong clinical trial data demonstrating that saltwater gargling significantly alters the course of laryngitis or its underlying inflammation.

In summary, sea salt is used to support laryngitis primarily due to traditional practice, with some minor scientific rationale for symptomatic relief, but the overall quality and directness of evidence is modest at best.

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