Darkening of the skin of the toes may be caused by sun exposure, or post-inflammatory hyperpigmentation, or due to skin melanosis, diabetic foot and other diseases.
1. Sun exposure: If you often wear sandals in hot weather, exposing your toes, resulting in excessive exposure to sunlight in the local area, you will experience blackened toes.
2. Post-inflammatory hyperpigmentation: it may also be due to the presence of various acute and chronic inflammation of the toes, after the disease is cured, the local area will appear mossy, and then there will be hyperpigmentation, the color of light brown, dark brown and so on.
3. Skin melanosis: studies have shown that the occurrence of this disease is related to the contact with photosensitive substances, such as mineral oil in poor quality skin care products, tar produced in the occupational environment. It can be induced by endocrine disorders, vitamin deficiencies and other factors. The typical symptom is the appearance of dark-colored hyperpigmented patches on damaged skin, so patients may have the manifestation of darkened skin on the toes.
4. Diabetic foot: this disease is mainly due to diabetic peripheral neuropathy, diabetic vasculopathy, infection, trauma and other reasons, with the development of the disease, to be the late stage of the disease when the skin of the foot will appear gangrene, ulcers and other symptoms, which can be manifested in the toes black skin.
There are many reasons for the darkening of the skin of the toes, and it is necessary to go to the hospital to clarify the specific causes and follow the doctor’s instructions for symptomatic treatment.