Two cases of people in Louisiana who died after contracting "brain-eating amoeba" infections from their own household water systems are prompting health officials to warn about a popular home remedy for treating sinus problems and allergies.
People who use neti pots to irrigate their nasal passages and sinuses should use only water that has been boiled, filtered or distilled, said the researchers at the Centers for Disease Control and Prevention who investigated the unrelated cases, which occurred months apart in 2011 in different parts of Louisiana.
The cases are the first evidence reported in the U.S. of municipal, disinfected tap water used in nasal irrigation causing infections of Naegleria fowleri, as the amoebas are properly called. The infections which pass into the brain from the nose are almost always deadly, with only one report of a survivor ever documented in the U.S., according to the CDC.
Infections have only been known to occur in cases in where water is forced up the nose, Yoder said. There have not been any cases where people contracted the infections by bathing or showering, and "there is certainly not a risk with drinking water," he said.
Pass it on: Neti pot users should use only sterile water, which has been boiled, distilled or filtered, the CDC says.
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