Many sinus sufferers swear by using the popular Grossan Sinus and Throat Irrigator Tips. Pik special rubber attachment to shower the nasal passages with warm saltwater. The gentle blast of warm water in the nose works the same way that a hose rinses leaves off a sidewalk. Clean the device you're using daily, so you don't contaminate your nose with bacteria. If mixing in salt, use the kind without iodine.
Most people rinse once or twice daily.
And if using an item like the Water Pik, make sure to use it on its lowest setting. You'll want to lean over a sink as you do it, and blow the nose gently after the rinse. In cases of sinus inflammation due to allergens in the nose, the rinsing can flush out the irritants. The saltwater can help reduce swelling inside the nose. Laureano said some people are nervous about doing it at first, but those who try it find out it's not at all painful.