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
Confusion, fainting, a seizure, or inability to cool down may indicate severe heat illness and requires emergency care.
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 help for spreading redness, increasing warmth, swelling, pus, or fever, as these may suggest a skin infection.
Move to a cool place and seek urgent help if someone becomes unusually weak, dizzy, nauseated, or develops a severe headache in the heat.
3
Does any of this apply?
Book an appointment
Arrange a routine appointment if persistent scaling has not been assessed, especially when it began in infancy or occurs in male relatives.
A confirmed diagnosis can guide skin care and clarify inheritance.
Routine medical review is also appropriate for:
Painful cracks, persistent itching, or treatment irritation
Difficulty sweating or repeated overheating
An undescended testicle
New problems with vision
Concerns about learning, attention, mood, or development
Questions about carrier testing, pregnancy, or inheritance
Every sign above is quoted from the sofidex article on Recessive x-linked ichthyosis. If you are not sure, err upward — it is always reasonable to be checked.