But the most common shape is the teapot. Doctors will sometimes recommend a neti pot to alleviate the nasal or sinus congestion that comes with a common cold, sinus infection, or allergies.

Saline nasal sprays are sold over-the-counter (OTC) at drug stores or pharmacies. A Neti pot looks like a small teapot and it's used to irrigate (flush) the nasal and sinus passages. Nasal ...