What Is the Brain Eating Amoeba in California
The term refers to infections caused by Naegleria fowleri, a free-living amoeba found in warm freshwater. It travels up the nose and infects the brain, causing primary amebic meningoencephalitis. California health agencies track cases and issue warnings when warm water conditions increase risk.
Where Exposure Happens in California
Infections are linked to warm freshwater lakes, rivers, hot springs, and poorly maintained swimming pools or splash pads. Activities that push water up the nose, such as diving or jumping, raise exposure risk. The California Department of Public Health provides guidance on reducing infection risk during warm months.
Symptoms, Treatment, and Prevention
Early symptoms include headache, fever, nausea, and stiff neck, appearing one to twelve days after exposure. The infection progresses rapidly, causing confusion, seizures, and coma. Immediate hospital care is critical, though survival remains rare. Prevention includes avoiding nasal contact with warm freshwater and using nose clips during high-risk activities.
For current case counts and official guidance, visit the California Department of Public Health website.
