<unk>  starts slowly, with symptoms like headache, nausea, dizziness, irritability and a low-grade fever. The CNS symptoms depend on the part of the brain that is infected. Changes in behavior are an important sign. Other CNS signs may include seizures, focal neurologic signs, diplopia (double vision), cranial nerve palsies, ataxia, confusion, and personality changes. Some of the symptoms may mimic glioma (especially brainstem glioma), or other brain diseases, which may hamper timely diagnosis. The symptoms are caused by inflammatory necrosis of brain tissue brought on by compounds released from the organisms.
Granulomatous amoebic encephalitis
Sappinia amoebic encephalitis
Japanese encephalitis
Eastern equine encephalitis
Rasmussen's encephalitis
Tick-borne encephalitis
Herpesviral encephalitis
La Crosse encephalitis