How to sign: inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use)
Similiar / Same: encephalitis, cephalitis
Categories: inflammation, redness, rubor
Within this category: acute hemorrhagic encephalitis, equine encephalitis, herpes simplex encephalitis, leukoencephalitis, meningoencephalitis, panencephalitis, sleeping sickness, West Nile encephalitis