Why has my Toenail Turned Black?

Do your shoes fit properly?

Did you injure your toe, drop an object on it or bang it against something?

Is your blackened toenail partially or completely detached from the skin surface?

Poorly-fitted shoes may create pressure on the toes, which may cut proper blood circulation. This may lead to various problems such as a darkening of the toenails or blisters around the toenails. This condition will most likely disappear its own, as a dark toenail will eventually grow out. There is no cause for concern or need to contact a health professional, but it is recommended that you wear shoes that are the right size for you.

Some injuries may cause the tiny blood vessels on the toes to break, leading to blood accumulation beneath the toenail. A physician or doctor can puncture through the nail to drain out the blood. This will also help relieve any pain and swelling of the toe.

You are likely suffering from a fungal infection that has affected the toe. Shoes and socks can sometimes create moisture around the foot, especially in wet weather conditions when humidity levels are higher than normal. This kind of infection is very common and easily treatable. It is recommended that you apply over-the-counter anti-fungal powder 2-3 times a day until the toe is healed. If you see no improvement after treatment, contact a doctor or primary health care provider for further treatment.

While there is likely no cause for alarm, conditions such as kidney disease, diabetes, anemia or heart disease may cause darkened toenails. Just to be safe, we suggest contacting a doctor or primary health care provider for further diagnosis and treatment.