Sudden high fever Severe headache that isn't easily confused with other types of headache Stiff neck Vomiting or nausea with headache Confusion or difficulty concentrating Seizures Sleepiness or difficulty waking up Sensitivity to light Lack of interest in drinking and eating Skin rash in some cases, such as in meningococcal meningitis

Fever Severe, unrelenting headache Confusion Vomiting Stiff neck

caused by a bacterial or viral infection that began elsewhere in the body