While some amount of mucus production from the nasal and sinus lining is normal, allergies and sinus infections can cause excessive mucus production. This excessive mucus production causes nasal and sinus symptoms such as a runny and stuffy nose or post nasal drip. The key to symptom relief is to physically wash away this excess mucus and allergens such as grass and tree pollen, dust particles, pollutants and bacteria from the nasal passages. The rinsing will reduce inflammation of the mucosa membrane, allowing you to breathe more normally.

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