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Nasal congestion happens when something irritates tissues lining the inside of your nose. The irritation sets off a chain reaction of inflammation, swelling and mucus production, making it hard to take in air through your nose. Left untreated, nasal
Nasal irrigation (nasal rinsing) is the passing of water or saline solution through the nasal passages.
This can be done by using a range of rinsing devices such as:
