These reduce swelling in the nasal passages. Note: Do not use nasal decongestant sprays (like Oxymetazoline) for more than three days, or you may experience "rebound congestion."
Whether it’s from a cold, the flu, allergies, or dry winter air, nasal congestion happens when the tissues lining your nose become swollen from inflamed blood vessels. how to help a clogged nose
Aggressive blowing can irritate the inside of your nose or push bacteria further into your sinuses. Blow gently, one nostril at a time. Hydrate and Fuel Your Recovery These reduce swelling in the nasal passages