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 chest pain, severe breathing difficulty, fainting, confusion, or signs of a stroke, such as facial drooping, arm weakness, or difficulty speaking.
These are not typical erythromelalgia symptoms and need immediate assessment.
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:
A red, hot, swollen area is new, one-sided, or rapidly worsening
The skin develops blisters, an open sore, discharge, or spreading redness
You have a fever or feel unwell with worsening skin symptoms
Cooling has caused numbness, pale or blue skin, or loss of sensation
Pain is suddenly much more severe than usual
3
Does any of this apply?
Book an appointment
Arrange a routine appointment if you have repeated episodes of burning, warmth, and redness, especially when they affect your sleep, walking, or usual activities.
Assessment is also appropriate if symptoms are becoming more frequent or your current management is no longer helping.
Every sign above is quoted from the sofidex article on Weir-mitchell disease. If you are not sure, err upward — it is always reasonable to be checked.