Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
These symptoms need assessment but are not always emergencies.
Seek urgent or emergency care for:
Contact a clinician promptly for a clear increase in breathlessness, a new persistent cough, repeated chest infections, worsening wheezing, jaundice, abdominal swelling, unusual bruising, or new painful skin lumps.
Follow-up should be tailored to the organs affected and the person's risk factors.
A primary care clinician may coordinate care with a pulmonologist, hepatologist, gastroenterologist, genetic counselor, or other specialist.
A person with stable test results may need routine visits, while new or worsening findings may require earlier review.
The article also says
Monitoring may include a review of breathing symptoms, smoking or workplace exposure, spirometry, oxygen levels, liver blood tests, platelet counts, physical examination, and liver imaging.
The timing depends on previous results and whether disease is present.
Relatives who are considering testing can ask whether genetic counseling is available.
Test results should be interpreted with the measured protein level, medical history, and family findings rather than viewed in isolation.
Every sign above is quoted from the sofidex article on Alpha-1 antitrypsin deficiency. If you are not sure, err upward — it is always reasonable to be checked.