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 care for severe illness, confusion, fainting, difficulty breathing, or rapidly spreading redness with fever.
Arrange a prompt medical review for:
These findings are not typical of a routine flare and may indicate a serious infection or another urgent problem.
Routine follow-up with a primary care clinician or dermatologist can help identify triggers, review skin care, and reduce medicine-related side effects.
Follow-up is particularly useful when flares are frequent, the diagnosis is uncertain, or treatment is no longer controlling symptoms.
Keeping a brief record of flares can support routine care.
Useful details include the affected areas, heat or sweating exposure, new products, possible infection symptoms, and treatments used.
The article also says
People who are pregnant, planning pregnancy, or breastfeeding should review all medicines with their clinician.
Those who want to understand the chance of passing the condition to a child may request genetic counseling.
Every sign above is quoted from the sofidex article on Acantholysis bullosa. If you are not sure, err upward — it is always reasonable to be checked.