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How do you get black piedra?

How do you get black piedra?

Black piedra is a fungal infection of the hair shafts of humans and animals caused by Piedraia hortae. The source of the organism appears to be the soil; in some cases, exposure results from use of plant oil in hair.

Is piedra contagious?

White piedra is generally not contagious.

What is the causative agent of black piedra?

P. hortae, is the causative agent for black piedra, a superficial fungal infection of the hair shaft. Infections are usually localized to the scalp, but may also be seen on hairs of the beard, moustache and pubic hair.

What is the difference between black piedra and white piedra?

The two types of piedra, white piedra and black piedra are caused by fungi of the genera Trichosporon and Piedraia respectively. [1,2] Typically, black piedra affects the scalp hair, while white piedra tends to affect facial, axillary and pubic hair.

How do you cure black Piedra?

Black piedra is treated by using oral terbinafine. White piedra can be treated by using topical antifungals, including imidazoles, ciclopirox olamine, 2% selenium sulfide, 6% precipitated sulfur in petroleum, chlorhexidine solution, Castellani paint, zinc pyrithione, and amphotericin B lotion.

What does Piedra look like?

Piedra is the Spanish word for stone. White piedra appears as white or light brown stones that loosely attach to the tip of a hair shaft and may group to form clusters. The stones, which people sometimes call concretions or nodules, feel gritty and are easy to remove.

How do you treat Piedra?

Treatment. Piedra is readily treated by cutting or shaving the affected hairs. Ketoconazole shampoo is an adjunctive treatment. In persistent cases oral itraconazole and terbinafine have been tried.

What does piedra look like?

What does Black Piedra look like?

Piedra is a superficial fungal infection of hair shafts, which presents with small nodules stuck-on to the shaft. Black piedra, caused by Piedraia hortae, is characterized by black-colored nodules and is common in the tropics, especially in individuals with long hair and poor scalp hygiene.

Is Black Piedra harmful?

There are no serious complications of black piedra infection. In the absence of treatment, patients with comorbidities (diabetes, immunodeficiency, and malignant tumors) may develop alopecia.

What causes black piedra and white piedra?

Piedra is a superficial fungal infection of the hair shaft seen most commonly in tropical climates. It presents in two distinct clinical varieties, black piedra and white piedra, caused by Piedraia hortae and Trichosporon species, respectively.

Can a black piedra cause a visceral infection?

T asahii has also been reported to cause visceral infection in such cases. Both black and white piedra can be treated by shaving the hair.

Where can black piedra be found in the world?

Black piedra is an uncommon, persistent infection confined to hair shafts and is seen in small endemic areas in the tropics, for example, Latin America or Central Africa. Individual or case clusters can occur. The hallmark of this condition is the presence of small, gritty nodules on hair shafts.

What’s the best way to treat black piedra?

The simplest and most effective approach to the treatment of black Piedra – complete removal (shaving) hair. Since Piedraia hortae in most cases affects only the hair bars after this procedure the pathogen is eliminated, and raised the hair appear healthy.