Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Emergency help is appropriate for trouble breathing, facial or throat swelling, fainting, or widespread hives after an antibiotic.
These can be signs of a severe allergic reaction.
Sudden vision loss, new weakness, confusion, or inability to wake normally also requires emergency care, whether or not yaws is suspected.
Arrange prompt medical assessment if you or a child has a raised, crusted, or ulcerated sore after living in or visiting an area where yaws occurs.
Assessment is also appropriate for unexplained bone pain, swollen joints, or thickened and cracked skin on the palms or soles.
Seek urgent medical care for a sore with rapidly increasing redness, swelling, severe pain, pus, or fever.
These signs may indicate an additional bacterial infection.
Routine follow-up is needed after treatment if:
Every sign above is quoted from the sofidex article on Yaws. If you are not sure, err upward — it is always reasonable to be checked.