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
Get emergency help for:
Vomiting blood or material that looks like coffee grounds
Black, tar-like stools
New confusion, extreme drowsiness, or difficulty waking
Fainting or severe weakness
Sudden, severe abdominal pain
Serious breathing difficulty
A very swollen, painful abdomen with fever
These symptoms can indicate bleeding, severe infection, acute liver problems, or complications of heart or circulation disease.
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 care if you develop new jaundice, dark urine with pale stools, fever with upper abdominal pain, repeated vomiting, or rapidly increasing swelling.
3
Does any of this apply?
Book an appointment
Arrange a routine medical appointment if you have ongoing fullness or discomfort under the right ribs, unexplained fatigue, loss of appetite, or abdominal swelling.
You should also follow up if an imaging report says your liver is enlarged, even if it was found by chance.
Every sign above is quoted from the sofidex article on Enlarged liver. If you are not sure, err upward — it is always reasonable to be checked.