Having a headache that does not stop is a second major symptom.
A serious headache. If you've ever had a migraine, you know what type of pain this refers to.
It will start suddenly, and at about the same time as the fever appears. If exposed to meningitis, it may take up to a week to develop a headache, but it will likely come on suddenly.
Most decide to head to the hospital after they have had the headache for too long