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
Inability to urinate, heavy bleeding with clots, fainting, confusion, or severe weakness may require 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
Contact a healthcare professional promptly if you notice blood in your urine, even once.
This is especially important if you have received pelvic radiation, use ketamine, or take medicines that can affect the bladder.
Seek urgent medical care if you:
Cannot urinate despite a painful or full-feeling bladder
Pass heavy blood or blood clots
Feel faint, weak, or short of breath with urinary bleeding
Develop severe or rapidly worsening pelvic pain
Have fever, shaking chills, vomiting, or pain in your side or back
And for anyone, someone who:
has a fever with a stiff neck, a rash that does not fade under pressure, or severe headache
has a wound that is hot, spreading red, or leaking pus
3
Does any of this apply?
Book an appointment
Arrange a routine medical appointment if bladder pain, urgency, or frequent urination persists or returns.
Seek assessment if symptoms continue despite UTI treatment or urine cultures repeatedly show no infection.
Every sign above is quoted from the sofidex article on Cystitis - noninfectious. If you are not sure, err upward — it is always reasonable to be checked.