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
Go to an emergency department after a sudden injury to an erect penis if you hear or feel a pop, lose the erection immediately, or develop rapid swelling, bruising, or severe pain.
These can be signs of a penile fracture, which is a tear in the erectile covering.
Emergency assessment is also needed if you cannot pass urine, see blood at the urinary opening after an injury, or have an erection lasting longer than four hours.
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:
Pain or curvature is getting noticeably worse
Erections have become difficult to achieve or maintain
A treatment causes marked swelling, bruising, or new deformity
A lump, sore, or skin change is enlarging or not healing
The condition is causing significant distress or relationship difficulty
3
Does any of this apply?
Book an appointment
Arrange a routine appointment if you notice a new curve, firm plaque, shortening, painful erections, or difficulty with penetration.
Earlier assessment can document the active stage and allow discussion of suitable options.
Every sign above is quoted from the sofidex article on Fibrous sclerosis of the penis. If you are not sure, err upward — it is always reasonable to be checked.