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 care for uncontrolled bleeding, a major hand or foot injury, or a finger, toe, hand, or foot that becomes cold, pale, blue, or suddenly very swollen.
These signs may mean that blood flow is affected.
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
Get prompt medical advice if:
A loosely attached digit becomes twisted, swollen, dark, or painful
The skin breaks or the digit is repeatedly caught or injured
A surgical wound becomes increasingly red, warm, swollen, or draining
Pain is getting worse rather than improving after treatment
A cast or dressing feels tight or causes numbness
3
Does any of this apply?
Book an appointment
An extra finger or toe found at birth can usually be assessed during routine newborn or paediatric care.
Arrange a routine review if it begins affecting grip, walking, shoe fit, comfort, or confidence.
Every sign above is quoted from the sofidex article on Polydactyly. If you are not sure, err upward — it is always reasonable to be checked.