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 help for:
A first seizure
A seizure lasting longer than directed in your emergency plan
Repeated seizures without normal recovery between them
Sudden weakness, facial drooping, or difficulty speaking
Severe breathing difficulty or inability to wake normally
A sudden, severe headache with collapse or loss of consciousness
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
Contact your treatment team promptly about new or worsening headaches, repeated vomiting, increasing confusion, new weakness, speech or vision changes, worsening balance, or a seizure when you have an agreed seizure plan.
Do not wait for a routine appointment if symptoms change quickly.
3
Does any of this apply?
Book an appointment
Use routine follow-up to discuss treatment side effects, gradual changes in memory or independence, scan results, rehabilitation needs, and future care planning.
Every sign above is quoted from the sofidex article on Glioblastoma multiforme. If you are not sure, err upward — it is always reasonable to be checked.