NBCSN Nationally Certified School Nurse Practice Exam

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What are common symptoms of scabies?

  1. Blisters and rashes

  2. Intense itching, especially at night

  3. Redness and swelling

  4. Dry skin and flaking

The correct answer is: Intense itching, especially at night

Intense itching, especially at night, is a hallmark symptom of scabies, which is caused by an infestation of the mite Sarcoptes scabiei. The itching occurs as a response to the mites’ saliva, eggs, and feces, triggering a hypersensitivity reaction. This scratching can lead to further complications, such as secondary infections from broken skin. While other options like blisters and rashes, redness and swelling, or dry skin and flaking can sometimes occur due to various skin conditions, they are not specific to scabies. The intense itching associated with scabies can often be mistaken for other dermatological issues, but its severity and timing (worsening at night) are distinctive. Understanding this symptom helps in the early identification and treatment of scabies, ensuring proper care and management.

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