1. (noun) 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)

• cephalitis
• encephalitis

1. (noun) 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)

• acute hemorrhagic encephalitis
• acute inclusion body encephalitis
• herpes encephalitis
• herpes simplex encephalitis
• cerebromeningitis
• encephalomeningitis
• meningoencephalitis
• encephalitis lethargica
• epidemic encephalitis
• lethargic encephalitis
• sleeping sickness
• sleepy sickness
• equine encephalitis
• equine encephalomyelitis
• leukoencephalitis
• panencephalitis
• west nile encephalitis

1. (noun) 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)

• inflammation
• redness
• rubor