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 if your baby:
Stops breathing or has prolonged pauses in breathing
Has blue or grey lips, tongue, or face
Is very difficult to wake or becomes limp
Has severe breathing difficulty
Remains below the emergency oxygen threshold in your care plan
Has no working oxygen supply when oxygen is continuously required
Is involved in a fire or significant oxygen-equipment incident
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 medical advice if your baby is feeding much less, breathing harder or faster than usual, unusually sleepy, repeatedly vomiting, or cannot stay within the prescribed oxygen range despite following the written plan.
3
Does any of this apply?
Book an appointment
For routine advice, contact your baby’s healthcare team if the nasal prongs repeatedly come out, the skin becomes irritated, oxygen needs seem to be changing, monitor alarms are frequent, or you are unsure how to use the equipment.
The article also says
Begin infant resuscitation if needed and if you have been trained to do so.
Every sign above is quoted from the sofidex article on Oxygen therapy in infants. If you are not sure, err upward — it is always reasonable to be checked.