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 care for:
Trouble breathing or swelling of the face, lips, or throat
Fainting, seizure, severe confusion, or difficulty waking
Chest pain or a new irregular heartbeat
Severe weakness, muscle spasms, or collapse
Little or no urine with worsening illness
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 healthcare team promptly for persistent vomiting or diarrhoea, worsening injection-site redness, a new rash, unusual bruising, marked tiredness, yellow skin or eyes, or noticeably reduced urine.
3
Does any of this apply?
Book an appointment
Attend routine blood and urine tests even if you feel well.
Every sign above is quoted from the sofidex article on Chelation therapy. If you are not sure, err upward — it is always reasonable to be checked.