Sinus irrigation with contaminated tap water may cause meningoencephalitis
Changing epidemiology of rare disease links sinus irrigation with contaminated tap water, 2 deaths — Cases highlight importance of using appropriately treated water for nasal irrigation – When water containing the Naegleria fowleri ameba, a single-celled organism, enters the nose, the organisms may migrate to the brain, causing primary amebic meningoencephalitis, a very rare?but usually fatal?disease.