The common causes of foot fungus and blackened toes are stained shoes and socks, fungal infections and so on.
1. Shoes and socks staining: If you mistakenly wear shoes and socks that lose their color and do not change and wash them often, you may stain your toes black, and you happen to suffer from foot fungus, which can be mistaken for foot fungus, but at this time the blackening of the skin of the toes is not caused by the lesion.
2. Fungal infection: when the fungus infects the skin of the feet, it will cause a local inflammatory reaction, the formation of foot fungus, under the action of the inflammatory factor, the role of the skin vasoconstriction of the toes, resulting in local ischemia and hypoxia, necrosis of the toes, when the skin will be black.
If you have foot odor and blackened skin on the toes, you should go to the regular hospital in time to find out the cause of the disease and choose a suitable method of treatment under the guidance of a professional doctor.