You may not even realize that your steroid nasal spray is causing side effects, as many of them can mimic those of allergies and sinusitis. That’s especially true if you have just started using nasal ...

A saline nasal spray is a saltwater liquid that is sprayed into your nostrils to reduce congestion and thin mucus. It also keeps your nasal passageways moist. Saline sprays work by altering the ...