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Cardiovascular

Trachoma - Chronic Chlamydia trachomatis Conjunctivitis


Pathophysiology

  • Inflammation → recurrent infections → chronic conjunctival scarring

  • Entropion/trichiasis → corneal abrasion, scarring, ulceration

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Symptoms

  • Early: itchy/irritated eyes, mild conjunctivitis

  • Recurrent sticky discharge (often misdiagnosed as bacterial)

  • Vision loss from corneal opacity (late stage)

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Diagnosis

  • Clinical: follicular conjunctivitis, scarring

  • WHO grading system (endemic areas)

  • Definitive: NAAT for C. trachomatis

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Management

  • Medical: Azithromycin 20 mg/kg (max 1 g) stat dose

    • Treat household contacts (prevent reinfection)

  • Surgical: Refer for trichiasis correction

  • Environmental:

    • SAFE strategy: hand/face washing

    • Fly control, waste management, hygiene education

    • Reduce overcrowding, improve water access

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Key Points

  • Avoid epilation without expert guidance (risk of corneal damage)

  • Community-wide screening in endemic areas reduces transmission

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