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 difficulty breathing, blue or grey lips, fainting, confusion, or chest pain with marked breathlessness.
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 if:
Breathing symptoms are worsening
Fever is persistent or you feel increasingly unwell
You cough up blood
Symptoms return after previously improving
You develop a widespread rash, swelling or new numbness
Follow-up tests remain abnormal
These symptoms have many possible causes and should be assessed urgently rather than assumed to be simple pulmonary eosinophilia.
3
Does any of this apply?
Book an appointment
Arrange a routine medical appointment if you have an unexplained cough, wheezing or fever that is not improving, particularly if you have recently started a medicine or have relevant travel or soil exposure.
Every sign above is quoted from the sofidex article on Simple pulmonary eosinophilia. If you are not sure, err upward — it is always reasonable to be checked.