Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek urgent or emergency care for confusion, severe drowsiness, fainting, uncontrolled vomiting, severe abdominal pain with fever, or rapidly worsening illness.
Contact a clinician promptly for dark urine, pale stool, persistent vomiting, fever, abdominal pain, itching, unusual fatigue, or possible medication-related symptoms.
Any jaundice in a newborn should be evaluated promptly.
People with a confirmed, typical case of Gilbert syndrome may only need routine primary care.
Repeat bilirubin or liver testing may be done if symptoms change, a new medicine is started, or another illness could be affecting the liver or blood cells.
Follow-up for Crigler–Najjar syndrome is more intensive and usually involves liver, metabolic, or genetic specialists.
Monitoring is tailored to bilirubin control, treatment effects, growth and development, and neurological health.
Arrange routine medical review for jaundice that is new, becoming more frequent, or different from prior episodes.
And for anyone, someone who:
The article also says
People with Dubin–Johnson or Rotor syndrome may not need frequent condition-specific testing once the diagnosis is secure.
Keeping a copy of relevant laboratory or genetic results can help future clinicians recognize the established pattern.
Every sign above is quoted from the sofidex article on Chronic familial. If you are not sure, err upward — it is always reasonable to be checked.