Snapshot Scabies A 2-year-old girl is brought in by her parents due to a rash on her armpit and belly for 2 weeks. Her major complaint is itching. The lesions are so itchy that she cannot sleep at night and scratches her rashes constantly. She goes to daycare 3 days a week. Skin exam reveals multiple polymorphous scaly papules on her hands, in the axilla, and around the umbilicus. A skin scraping with mineral oil prep reveals mites under microscopy. Introduction Superficial skin infection caused by arthropod Sarcoptes scabiei (mite) Severe itching at night Too small to be seen by naked eye Pathognomonic sign login to view 1 more bullet Risk factors login to view 1 more bullet Presentation Symptoms login to view 2 more bullets Physical exam login to view 8 more bullets Evaluation microscopy Diagnosis based on clinical exam and history Diagnosis confirmed with simple office procedure login to view 2 more bullets Differential Diagnosis Chiggers Bedbugs Contact dermatitis Treatment Topical permethrin Sterilize laundry login to view 1 more bullet Prognosis, Prevention, and Complications Prognosis login to view 1 more bullet Prevention login to view 2 more bullets