Daily nasal irrigation with salt water solution (a mixture of 0.9% non-iodized sodium chloride and either purified or filtered water warmed to around 98 degrees F/ 37 degrees C, with or without inclusion of a buffering agent such as sodium bicarbonate) has been recommended as both an adjunctive[8] and primary treatment[9] in such cases and is preferable to the use of corticosteroids except in the