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
Suspected septic shock is an emergency.
Call emergency services now if someone with a possible or known infection has:
New confusion, severe drowsiness, or difficulty waking
Severe breathing difficulty
Collapse, fainting, or signs of very low blood pressure
Blue-grey, very pale, cold, or blotchy skin
Little or no urine
Rapid deterioration or an overwhelming sense of serious illness
Call emergency services if severe symptoms develop.
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
Do not wait for a fever or rash, because neither is required for septic shock.
After hospital discharge, seek urgent medical advice for a returning fever, worsening breathlessness, reduced urination, new confusion, a rapidly worsening wound, or other signs of infection.
3
Does any of this apply?
Book an appointment
Routine follow-up is appropriate for ongoing fatigue, weakness, poor sleep, memory problems, low mood, or difficulty returning to daily activities when these are stable and not rapidly worsening.
The article also says
Do not drive yourself if you feel faint, confused, or severely unwell.
Every sign above is quoted from the sofidex article on Septic shock. If you are not sure, err upward — it is always reasonable to be checked.