Adverse effects include<unk> , nosebleeds, headache, and drainage after the<unk>  is done. It is generally well tolerated. 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. 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 water purifier for<unk> . Rare cases of fatal naegleriasis have occurred due to nasal insufflation of the amoeba Naegleria fowleri (the "brain-eating amoeba") from untreated tap water. In 2011, two people died from Naegleria fowleri infections tied to using Neti pots containing tap water. In 2013 a man in Louisiana died from the same amoeba.
Nasal irrigation
Nasal spray
Binasal occlusion
Tympanostomy tube
Laryngeal mask airway
Cloth face mask
Nasal cannula
Simple face mask