Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek emergency medical care for:
A severe or rapidly worsening headache with neck stiffness
Confusion, unusual drowsiness, fainting, or a seizure
Sudden weakness, numbness, facial drooping, or difficulty speaking
Sudden loss of vision or hearing
Trouble breathing or swelling of the face or throat after treatment
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has chest pain, tightness or pressure lasting more than a few minutes
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Seek urgent same-day assessment for a persistent headache with known or possible syphilis, new double vision, facial weakness, ringing in the ears, dizziness, or a noticeable change in hearing or sight.
Suspected meningitis should not wait for a routine appointment.
Contact the treating service sooner if symptoms stop improving, return after treatment, or become worse.
And for anyone, someone who:
has a fever with a stiff neck, a rash that does not fade under pressure, or severe headache
3
Does any of this apply?
Book an appointment
Routine follow-up is appropriate for scheduled blood tests, discussion of partner testing, and stable symptoms that are gradually improving.
Every sign above is quoted from the sofidex article on Syphilitic aseptic meningitis. If you are not sure, err upward — it is always reasonable to be checked.