Condition Overview
Understand key symptoms, causes, diagnosis options, and treatment pathways for Yaws. This overview is intended for patient awareness and should be followed by specialist consultation.
Infectious DiseasePrevalence Available
Infectious Disease
Yaws
Yaws is a chronic bacterial infection caused by Treponema pallidum pertenue, primarily affecting skin, bones, and cartilage in children living in tropical regions.
4
Symptoms
3
Causes
4
Treatments
3
Prevention
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Symptoms
- Initial painless skin lesion
- Secondary skin ulcers or nodules
- Bone pain and swelling
- Deformities in untreated chronic disease
Causes
- Infection with Treponema pallidum pertenue
- Direct skin contact with infectious lesions
- Poor sanitation and crowded living conditions
Diagnosis
- Clinical examination of skin and bone findings
- Serologic tests for treponemal infection
- Community epidemiological context assessment
Treatment
- Single-dose azithromycin in many cases
- Penicillin when indicated
- Treatment of close contacts in outbreaks
- Follow-up to confirm healing
Risk Factors
- Residence in tropical endemic areas
- Childhood age group
- Poor hygiene and limited healthcare access
Prevention
- Community screening and early treatment
- Improved hygiene and sanitation
- Public health eradication campaigns
Prevalence
Occurs mainly in tropical low-resource settings and is a target of global eradication efforts.
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