It can be difficult to tell the difference between encephalitis and meningitis based on symptoms alone. Someone with either condition may experience headache, flu-like symptoms, stiff neck ...

A stiff neck is common and often caused by stress, lack of sleep, and age. To relieve a stiff neck, try stretching, switching sleep positions, and applying heat. If you have a fever or feel ...

Symptoms can include sudden onset of fever, vomiting, severe headache, neck stiffness and sensitivity to light. Some people develop encephalitis, which is inflammation of the brain. Photo shows A ...