Saline spray and saline nasal rinses clear congestion and moisturize nasal passages to alleviate snoring. Breathe Right nasal strips adhere to the outside of the nose to physically open breathing passages. Saline solutions and Breathe Right strips are available over the counter in 2015, according to About.com.
Theravent Snore Therapy is a treatment in which the user places two small valves inside the nostrils. Theravent only works with a closed mouth. Touted as a replacement for continuous positive airway pressure machines, Theravent Snore Therapy stabilizes airway tissues to prevent snoring. Nasonex, Flonase and Astelin are prescription nasal sprays that reduce snoring caused by seasonal allergies. Nasacort is a similar spray medication that is available without prescription, says About.com.