Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Follow-up is important because symptoms may improve before the infection has fully cleared.
Appointments allow the care team to check swelling, pain, drainage, fever, breathing, eating, and overall energy.
Follow-up imaging may be used for deep chest, abdominal, pelvic, bone, or brain infections.
Imaging changes can take time to resolve, so clinicians consider both the scan and the person’s symptoms.
Long-term follow-up may be needed for extensive disease or an infection involving bone, the chest, or the nervous system.
Routine dental care and management of the condition that allowed bacteria to enter deeper tissue may help reduce recurrence.
The article also says
Blood tests may be repeated if they were abnormal at diagnosis.
Contact the treating clinician between scheduled visits if a lump enlarges, drainage returns, fever develops, pain worsens, or antibiotic side effects make it hard to continue treatment.
A return of symptoms after treatment may require new imaging or another tissue sample rather than simply restarting the same medicine.
Every sign above is quoted from the sofidex article on Actinomycosis. If you are not sure, err upward — it is always reasonable to be checked.