Of course, there are many branches, so I won't break them down. As a human parasitic fungus, it is actually difficult to survive on land. In addition to the different environment between land and human body, another reason is that other fungi in the land will have a competitive relationship.
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Other soil-borne fungi secrete some secondary metabolites, usually various antibiotics, to kill competitors; In addition, it will rob Trichophyton resources,
For example, all kinds of protein on your foot injury and so on. As a result, Trichophyton is greatly inhibited, and those soil-borne bacteria can't adapt to the human environment, which leads to the benefit of the fisherman's immune system and kills all foreign bacteria at once, which can explain why your athlete's foot will get better.
In addition, Trichophyton is an alkali-resistant fungus, which is not acid-resistant. The vinegar bubble mentioned in another answer also has a certain effect, but he said that the soil is acidic, so I have doubts about inhibiting fungi, because the pH value of the soil is generally not that low (if the vinegar is around 3.5, the soil is 6 when it dies).
Of course, because the feet with wounds may be infected by other bacteria, I don't recommend treating beriberi in this way. Clothes/quilts and socks should be thoroughly cleaned and disinfected (don't take them away and cook them in water, otherwise they will fade).
Moreover, it is the right way to use itraconazole and other drugs. If bacteremia happens, it will be troublesome.