Evidence supporting the use of: Sea salt
For the health condition: Congestion (sinus)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Sea salt is commonly used in nasal irrigation therapies, such as saline nasal sprays or neti pots, to relieve sinus congestion. The practice of nasal irrigation has roots in traditional Ayurvedic medicine, but its effectiveness is now supported by scientific research. Saline solutions made with sea salt or other non-iodized salts help to moisturize the nasal passages, thin mucus, and flush out allergens, pathogens, and debris, thereby reducing congestion and sinus symptoms.

Multiple clinical studies have demonstrated that saline nasal irrigation can decrease the severity and frequency of sinus symptoms in both acute and chronic rhinosinusitis. For example, a 2007 study in the journal Annals of Family Medicine found that regular use of saline irrigation improved symptoms and quality of life for patients with chronic sinusitis. The solution’s mild salt concentration (isotonic or slightly hypertonic) helps reduce tissue swelling and promote mucociliary clearance. Sea salt is often chosen for its mineral content and because it closely mimics the body’s own electrolyte balance, though the primary benefit comes from the saline effect rather than any unique property of sea salt specifically.

Overall, the use of sea salt in saline nasal irrigation is scientifically validated as an effective adjunct therapy for sinus congestion, with a substantial body of clinical evidence supporting its safety and efficacy.

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