Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Regular dermatology follow-up helps determine whether treatment is preventing new lesions and whether healing is continuing.
Visits may be frequent when treatment starts or changes.
Once the disease is stable, appointments may be spaced farther apart.
Routine appointments are also a good time to discuss sun protection, insect-bite prevention, vaccination timing, pregnancy plans, medication interactions, and the emotional effects of living with a visible skin condition.
The article also says
The clinician may review the number of new blisters, the area of involved skin, discomfort, infection signs, and possible treatment side effects.
Photographs or standardized disease scores may be used to track changes.
Blood antibody levels can sometimes add useful information, but treatment decisions are not based on a laboratory result alone.
Laboratory monitoring depends on the medicine being used.
It may include complete blood counts and tests of liver or kidney function.
People taking corticosteroids for an extended period may also need monitoring for blood pressure, blood sugar, bone loss, and eye problems.
Report a return of blisters or crusted areas rather than changing treatment independently.
A relapse does not necessarily mean that all treatment has failed.
The care team may reassess triggers, confirm that infection is not present, and adjust the management plan.
Every sign above is quoted from the sofidex article on Brazilian pemphigus foliaceus. If you are not sure, err upward — it is always reasonable to be checked.