Scabies | Etiology, Clinical Features, Pathogenesis & Treatment | Medico Paji

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Welcome to Medico Paji! 👨‍⚕️📚
In this video, we discuss Scabies, a common and highly contagious parasitic skin infestation caused by Sarcoptes scabiei. It is an important topic in medical microbiology, dermatology, and community medicine, frequently asked in MBBS exams, NEET PG, INI-CET, FMGE, and clinical practice.
This lecture explains the etiology, transmission, pathogenesis, clinical features, diagnosis, and treatment of scabies in a simple, clear, and exam-oriented manner.
📚 Topics Covered in this Lecture

✅ Introduction to Scabies
Parasitic mite infestation of skin
🐛 Causative Agent
Sarcoptes scabiei var. hominis
🔄 Transmission
Direct skin-to-skin contact
Fomites (clothes, bedding)
Crowded living conditions
🔍 Clinical Features
Intense itching (worse at night)
Burrows (finger webs, wrists)
Papules and vesicles
Secondary bacterial infection (excoriations)
🧪 Diagnosis
Skin scraping
Microscopic identification of mites/eggs
💊 Treatment
Permethrin cream
Oral ivermectin (brief overview)
Treat close contacts + hygiene measures
This lecture will help you understand scabies clearly, especially its clinical presentation and diagnosis, which are frequently tested in exams.
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