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 breathing difficulty, prolonged unresponsiveness, blue or grey lips, a serious fall or head injury, or stroke-like symptoms such as sudden one-sided weakness or sudden loss of speech.
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 for:
Repeated fainting or fainting with an injury
New noisy breathing, especially during sleep
Choking, coughing during meals, or repeated chest infections
Inability to empty the bladder
Fever, pain, or confusion that could suggest a urinary infection
A rapid decline in walking, speech, swallowing, or alertness
3
Does any of this apply?
Book an appointment
Arrange routine medical review for new or gradually worsening symptoms, including more frequent falls, increasing faintness, changes in urination, constipation that is difficult to manage, weight loss, new sleep problems, or reduced benefit from treatment.
Every sign above is quoted from the sofidex article on MSA. If you are not sure, err upward — it is always reasonable to be checked.