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 emergency help for severe or rapidly worsening abdominal pain, fainting, confusion, trouble breathing, vomiting blood, or black stools.
A previous diagnosis of macroamylasemia does not rule out an unrelated emergency.
Seek prompt medical advice if you have:
These symptoms are not typical of macroamylasemia and may need assessment for another condition.
Arrange routine follow-up if a raised amylase level has not been explained or if macroamylasemia has been suggested but not confirmed.
Routine review is also reasonable if you develop recurring mild abdominal symptoms, unexplained weight loss, ongoing diarrhoea, or other lasting changes in digestion.
It can generally be reviewed through routine care, taking into account lipase, kidney function, symptoms, and previous results.
The article also says
An isolated high amylase result without symptoms is not usually an emergency.
Every sign above is quoted from the sofidex article on Macroamylasemia. If you are not sure, err upward — it is always reasonable to be checked.