Editing Nasal irrigation (section)

==Adverse effects==
Adverse effects include nasal irritation, nosebleeds, headache, and drainage after the irrigation is done.  It is generally well tolerated.<ref name=Cochrane2016/>

There is a risk of infection if the water is not sterile or the device is not cleaned after use. If the device is used improperly this can be harmful.<ref name=FDA2017>{{cite web |title=Is Rinsing Your Sinuses Safe? |url=https://www.fda.gov/ForConsumers/ConsumerUpdates/ucm316375.htm |website=FDA |date=24 January 2017 |archive-url=https://web.archive.org/web/20190104231633/https://www.fda.gov/ForConsumers/ConsumerUpdates/ucm316375.htm |archive-date=4 January 2019}}</ref> In fact, proper application suggests the use of boiled water or [[saline water]]. In 2018, a patient was reported to have contracted ''[[Balamuthia mandrillaris]]'' after one month of using [[tap water]] filtered through a [[Brita (company)|Brita]] water purifier for nasal irrigation.<ref>{{cite web |title=Fatal Balamuthia mandrillaris brain infection associated with improper nasal lavage |url=https://www.ijidonline.com/article/S1201-9712(18)34525-9/fulltext |publisher=International Journal of Infectious Diseases |website=IJID Online |date=December 2018}}</ref>

Rare cases of fatal [[naegleriasis]] have occurred due to nasal insufflation of the amoeba ''[[Naegleria fowleri]]'' (the "brain-eating amoeba") from untreated tap water. Two people died from ''Naegleria fowleri'' infections tied to using neti pots containing tap water in 2011.<ref name="ABC-Neti">{{cite news |last=Moisse |first=Katie |date=16 December 2011 |title=Louisiana Issues Neti Pot Warning After Two Fatal Infections |url=https://abcnews.go.com/Health/Wellness/fatal-infections-linked-neti-pots/story?id=15170230 |url-status=live |work=ABC News |archive-url=https://web.archive.org/web/20190122224915/https://abcnews.go.com/Health/Wellness/fatal-infections-linked-neti-pots/story?id=15170230 |archive-date=22 January 2019 |access-date=17 May 2020 }}</ref> A [[Louisiana]] man died from the same amoeba in 2013.<ref>{{cite news |title=Brain infection from water amoeba kills 3; victim used 'neti pot' |url=https://www.king5.com/article/mobile/news/health/brain-infection-from-water-amoeba-kills-3-victim-used-neti-pot/308001356 |access-date=21 January 2021 |publisher=King-TV |date=January 4, 2013}}</ref>