Texas woman dies after using contaminated tap water for sinus rinse: safety tips

A Texas woman died after rinsing her sinuses with infected tap water contaminated with Naegleria fowleri, a rare but deadly brain-eating amoeba. Experts warn against nasal exposure to unboiled or untreated water, especially in warm freshwater areas, and recommend boiling or using distilled water for sinus rinsing to prevent infection.