Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Possible meningitis needs emergency assessment.
Call emergency services or go to an emergency department now if you or someone else has a combination of fever, severe headache, stiff neck, confusion, unusual sleepiness, repeated vomiting, a seizure, or strong discomfort from light.
Get emergency help for a red or purple rash that does not fade under pressure, especially with fever or rapid worsening.
These symptoms are not always an emergency, but they may need assessment and support.
Do not wait for a rash if other meningitis symptoms are present.
A baby needs urgent assessment for poor feeding, unusual irritability, a high-pitched cry, repeated vomiting, seizures, a swollen soft spot, marked sleepiness, or unusual stiffness or floppiness.
After meningitis treatment, seek urgent help for a new seizure, increasing confusion, fainting, new weakness, breathing difficulty, or a severe and rapidly worsening headache.
And for anyone, someone who:
For routine follow-up, contact your usual healthcare service about continuing fatigue, mild headaches, hearing changes, poor concentration, low mood, or difficulty returning to everyday activities.
Every sign above is quoted from the sofidex article on Spinal meningitis. If you are not sure, err upward — it is always reasonable to be checked.