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 help for:
Sudden shortness of breath, chest pain, fainting, or coughing up blood
New swelling, warmth, or pain in one leg, especially with breathlessness
Severe confusion, extreme drowsiness, or inability to keep fluids down
Signs of severe dehydration, such as very little urine with marked weakness
Fever with rapidly worsening redness, swelling, or pain around broken skin
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
If you have already been diagnosed, contact your care team promptly about a spreading or infected rash, continuing weight loss, uncontrolled diarrhea, worsening weakness, or significant changes in blood sugar.
Do not wait for a routine appointment.
3
Does any of this apply?
Book an appointment
Arrange a medical appointment if you have a persistent or recurring blistering rash, unexplained weight loss, ongoing diarrhea, or symptoms of high blood sugar.
These symptoms have many possible causes, but they should be assessed.
The article also says
Chest symptoms or sudden breathlessness can be signs of a pulmonary embolism.
Every sign above is quoted from the sofidex article on Glucagonoma. If you are not sure, err upward — it is always reasonable to be checked.