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:
New or rapidly worsening loss of vision
New weakness, paralysis, or inability to walk
Difficulty breathing, swallowing, or staying awake
Severe confusion, collapse, or a seizure
Sudden loss of bladder control with weakness or numbness
If you use a complement-blocking medicine, follow its specific emergency plan for possible meningococcal infection.
And for anyone, someone who:
has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
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 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
Contact your neurological team urgently for new eye pain, blurred or faded vision, spreading numbness, increasing muscle weakness, persistent hiccups, or repeated unexplained vomiting.
An NMOSD attack can start with symptoms that seem mild, and early assessment matters.
Fever, severe headache, stiff neck, a new rash, or marked illness while taking an immune-suppressing medicine also needs prompt assessment.
And for anyone, someone who:
has a new severe headache unlike any they have had before
3
Does any of this apply?
Book an appointment
Routine appointments are appropriate for stable fatigue, longstanding pain, rehabilitation needs, medication monitoring, or questions about work, travel, vaccines, and pregnancy planning.
Every sign above is quoted from the sofidex article on Opthalmoneuromyelitis. If you are not sure, err upward — it is always reasonable to be checked.