Tragic Death from Rare Brain Infection in Texas

A Texas woman has unfortunately passed away due to a rare brain infection after using water from an RV’s tank for nasal irrigation.

Tests on the cerebrospinal fluid of the 71-year-old confirmed that she was infected with Naegleria fowleri, known colloquially as the “brain-eating amoeba,” which leads to the deadly condition called primary amoebic meningoencephalitis (PAM).

This dangerous amoeba thrives in warm fresh water bodies like lakes, ponds, and even poorly maintained swimming pools. Most infections occur during swimming or water activities in such locations.

“The patient had not been exposed to fresh water recreationally; however, she had conducted nasal irrigation several times with non-boiled water from the RV’s potable water tap in the four days leading up to the onset of her symptoms,” a report from the CDC states.

“Despite receiving treatment for a suspected PAM infection, she developed seizures and tragically passed away eight days after symptoms appeared.”

Health officials didn’t find the amoeba in samples from the RV tank or the local water supply—possibly because they collected those samples 23 days after the potential exposure.

However, the water was tested and shown to have insufficient disinfectant levels, which can allow microbes to form biofilms that protect harmful pathogens like N. fowleri. The water was also cloudier than what is typically deemed safe for drinking, indicating further issues with disinfectant levels.

This incident serves as a reminder of why using non-distilled or non-sterilized water for nasal irrigation is risky. As recommended by the CDC, only distilled water should be used for this purpose.

Interestingly, while N. fowleri prefers lukewarm environments, it thrives even more in hotter liquids, such as those found inside our bodies.

When the amoeba enters a human body, it surpasses a temperature threshold of about 25 degrees Celsius (77 degrees Fahrenheit), transforming into an aggressive trophozoite form that feeds and reproduces.

Normally, any other entry point would see it eliminated by the immune system or destroyed by stomach acid. But through the nose, it has a direct pathway to the brain.

This aggressive pathogen penetrates the olfactory epithelium and travels along the nerve fibers to the brain, destructively consuming astrocytes and neurons along the way.

Most individuals infected with N. fowleri sadly die within 1 to 18 days of symptom onset. Initial symptoms can include headaches, fever, nausea, and vomiting, which may escalate to a stiff neck, confusion, balance issues, and hallucinations.

Although this condition is exceedingly rare, the outcome is severe: only 4 out of 164 reported U.S. cases from 1962 to 2023 have survived.

“This case highlights the serious health risks associated with improper nasal irrigation practices, as well as the need to maintain water quality in RVs and ensure municipal systems meet health standards,” the report notes.