What is the disease of black big toe

The blackening of the big toe may be caused by local congestion due to trauma, it may also be caused by onychomycosis, it may be caused by fungal infection, etc.

1. Trauma: After being hit by external force, it may cause injury, which may easily cause blood stasis in the big toe, causing blackening.

2. Fungal infection: Fungal infections are mostly caused by secondary infections, which usually lead to a decrease in immune function and thus infection. However, after being infected by fungi, they may invade various parts of the body such as the skin or nails, not only causing symptoms such as blackening of the big toe, but also skin lesions such as papules and blisters.

3. Onychomycosis: Onychomycosis may be caused by a variety of reasons such as foot trauma or tinea pedis. It may also be caused by wearing non-breathable shoes. Local blood or lymphatic circulation disorders cannot be ruled out. Usually, the splint will appear turbid and thickened, and may also fall off or curl up, and it may also cause the big toe to turn black.

Because the causes of black big toes are different, the treatment methods are different. When wearing shoes and socks, you should wear loose and comfortable shoes and socks to reduce pressure on the feet, reduce damage to the feet, and help alleviate the symptoms of black big toes.