Scabies

Scabies is a contagious human skin infestation by the tiny mite Sarcoptes scabiei, variety hominis. The word is from Latin: scabere, lit. 'to scratch'. The most common symptoms are... Wikipedia

• Specialty:  Infectious disease, dermatology
• Symptoms:  itchiness, pimple-like rash
• Usual onset:  2–6 weeks (first infection), ~1 day (subsequent infections)
• Causes:  Sarcoptes scabiei mite spread by close contact
• Risk factors:  Crowded living conditions (child care facilities, group homes, prisons), lack of access to water, wearing second hand clothing
• Diagnostic method:  Based on symptoms
• Differential diagnosis:  seborrheic dermatitis, dermatitis herpetiformis, pediculosis, atopic dermatitis
• Medication:  permethrin, crotamiton, lindane, ivermectin
• Frequency:  204 million / 2.8% (2015)
• Data source:  DuckDuckGo