🧠 🦠 Case Study 185: Naegleria fowleri aka brain eating amoeba Primary Amebic Meningoencephalitis (PAM) caused by Naegleria fowleri, also known as the brain-eating amoeba. It enters through the nose, usually after swimming in warm freshwater, and travels along the olfactory nerve into the brain. Once there, it destroys brain tissue—fast. 🧬 🧊 Early symptoms mimic meningitis: fever, headache, nausea, stiff neck. But within days, neurological decline sets in—confusion, seizures, coma. Without ra