Encephalitis is an inflammation of the brain. Meningitis is an inflammation of the membranes (called meninges) that surround the brain and spinal cord. Both infections can be caused by bacteria or viruses and rarely a fungus. Headache and fever are the most common symptoms of encephalitis and meningitis. Stiff neck, confusion, or lethargy can also be present. The diagnosis is usually made by performing a lumb  Read More

Early meningitis symptoms may mimic the flu (influenza). Symptoms may develop over several hours or over a few days. Possible signs and symptoms in anyone older than the age of 2 include: Sudden high fever Stiff neck Severe headache that seems different than normal Headache with nausea or vomiting Confusion or difficulty concentrating Seizures Sleepiness or diff  Read More