Yaws is a non-venereal tropical infectious disease caused by the organism Treponema pertenue.[1] This organism is closely related to the. Yaws is an infectious tropical disease caused by the spirochete (spiral shaped) bacterium known as Treponema pertenue. The disease presents in three stages . Yaws is a tropical disease characterized by a primary cutaneous lesion, followed by a granulomatous skin eruption, and sometimes by late destructive lesions of.

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Epub Sep 4. The most notable studies in this field included an open-label, small, randomized, controlled trial proving the efficacy of frambseia when compared to benzathine benzylpenicillin.

Efficacy of a targeted oral penicillin-based yaws control program amoung children living in rural South America. From Wikipedia, the free encyclopedia.

What is Yaws Disease?

Yaws is common in at least 14 tropical countries as of Yaws has required global coordination, as endemic areas often are under-equipped for diagnosis or treatment. Following the development of orally administered azithromycin as a treatment, the WHO has targeted yaws for eradication by Radius, ulna, and phalanges are the most frequent.


This is due to the host immune response against the organism. Two countries that used to fdambesia disease now boast eradication and those are India and Ecuador. Yaws is believed to have troipcal in tropical areas of Africa, and spread to other tropical areas of the world via immigration and the slave trade.

Luke Maxfield ; Jonathan S. Pimple-like bumps appear on the skin; they are small, reddish, and patchy. One, known as goundou syndrome, is characterized by inflammation and swelling of the tissues surrounding the nose paranasal swellingas well as overgrowth of the bones in the same region of the face hypertrophic osteitis. Epub Jun Yaws is often distinguished by its late feature of destructive bony disease.

What is Yaws Disease? – End Yaws

Yaws in the Western pacific region: Benzathine penicillin subsequently supplanted this as it was found to have prolonged treponemicidal levels and convenient dosing. All other Treponema pallidum subspecies probably evolved from Treponema pallidum pertenue. Community participation eliminates yaws in Ecuador.


Retrieved from ” https: Painful skin and bone nodules may impair joint function and mobility. Causes Yaws is an infectious disease caused by a spiral-shaped bacterium spirochete known as Treponema pertenue.

Global epidemiology of yaws: A single oral dose of azithromycin was shown to be as effective as intramuscular penicillin. Yaws is usually transmitted by direct contact with the infected skin sores of affected individuals.

Similar articles in PubMed. It occurs in children younger than 15 years of age. Support Center Support Center.

Yaws – NORD (National Organization for Rare Disorders)

The research led by Dr. Years Published, Beers Frabesia, Berkow R. Wikimedia Commons has media related to Yaws. The other major treponemal infection, pinta, has no radiological significance. Darkfield microscopy does allow direct visualization of spirochetes; however, equipment is often not available in endemic areas. Diagnosis is based on the combined clinical picture and serologic testing.