What is piedra black?

Piedra black, also known as Black Piedra, is a fungal infection that affects hair shafts and follicles. It is caused by a fungus called Piedraia hortae. The infection causes the formation of black or dark brown nodules on the hair shafts, which are usually painless and asymptomatic.

Piedra black is often found in tropical and subtropical regions such as Central and South America, Southeast Asia, and the Pacific islands. It can affect both men and women, and people with thick, curly hair are more likely to get it.

The infection is usually spread through direct contact with infected hair such as sharing combs, brushes, towels, or personal items with an infected person. The fungus can also survive on contaminated surfaces for a short period.

Treatment for piedra black typically involves oral or topical antifungal medication, along with maintaining good personal hygiene and avoiding sharing personal items. It is important to treat the infection promptly to prevent it from spreading or causing complications. With proper treatment, piedra black is usually curable.