Toe blisters according to Chinese Medicine
The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Borax might help with toe blisters
Why might Borax (Peng Sha) help with toe blisters?
Because it is a herb specifically indicated to treat toe blisters as can be seen on Borax's page.
Borax is a Cool herb that tastes Salty and Sweet. It targets the Stomach and the Lung.
Its main actions are: Applied topically for Toxic-Heat. Clears Phlegm-Heat in the Lungs.
Other symptoms often associated with toe blisters
Sore throat Throat pain Open sores in mouth Red eyes Swollen eyes Painful eyes Blurred vision