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
Call emergency services for severe breathing difficulty, blue or grey lips, choking that blocks breathing, unresponsiveness, or a seizure lasting five minutes or longer.
Emergency help is also needed if repeated seizures occur without recovery between them.
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 prompt medical advice for:
A first suspected seizure or a change in known seizures
Noticeably reduced eating or drinking
Repeated vomiting or signs of dehydration
New weakness, loss of skills, or reduced alertness
Persistent pain or an unexplained major behaviour change
3
Does any of this apply?
Book an appointment
Arrange routine medical review if there are concerns about growth, feeding, hearing, vision, sleep, constipation, dental health, movement, behaviour, or progress at school.
New coughing during meals, repeated chest infections, or meals that are consistently long and tiring may need a swallowing assessment.
Every sign above is quoted from the sofidex article on Cri du chat syndrome. If you are not sure, err upward — it is always reasonable to be checked.