What causes Black spots on feet?

Common causes of black spots on feet

* Tinea nigra is a fungal infection that causes dark brown or black spots on the soles of the feet. It is common in tropical climates and is spread through contact with contaminated soil or water.

* Melanoma is a type of skin cancer that can appear as a black spot on the foot. It is important to see a doctor if you notice a new or changing black spot on your foot, especially if it is irregular in shape, has a jagged border, or is larger than 6 millimeters.

* Actinic keratosis is a precancerous skin condition that can appear as a scaly, crusty, or warty growth on the skin. It is often caused by sun exposure and is more common in older adults.

* Seborrheic keratosis is a non-cancerous skin growth that can appear as a dark brown or black spot on the skin. It is common in older adults and is caused by an overgrowth of skin cells.

* Hematoma is a bruise that can appear as a black spot on the skin. It is caused by bleeding under the skin and usually goes away on its own within a few weeks.

* Plantar warts are small, fleshy growths that can appear on the soles of the feet. They are caused by a virus and are spread through contact with contaminated surfaces.

* Foreign bodies such as dirt, splinters, or glass shards can also cause black spots on the feet.

When to see a doctor

It is important to see a doctor if you notice a new or changing black spot on your foot, especially if it is irregular in shape, has a jagged border, or is larger than 6 millimeters. This could be a sign of melanoma, a type of skin cancer.

You should also see a doctor if you have any other symptoms that accompany the black spots, such as pain, itching, or swelling.