Scarlet Fever

A 6-year-old child is admitted to the pediatric unit with a diagnosis of scarlet fever. Which nursing intervention should be the priority for this child?

1 Administer aspirin for fever reduction
2 Implement droplet precautions ✓ 정답
3 Encourage the child to gargle with mouthwash
4 Apply topical corticosteroids to the rash

해설

Scarlet fever is highly contagious via respiratory droplets, making droplet precautions the priority to prevent transmission. Other interventions like fever management or rash care are supportive but secondary.

같은 주제 다음 문제A 6-year-old child is brought to the pediatric clinic with a 2-day history of fever, sore …이 문제가 수록된 문제집[개념+기출] 엔클렉스(NCLEX), 이거 하나면 됩니다69,000원

Understanding Scarlet Fever Transmission and Isolation Priority

Scarlet fever is an illness caused by group A Streptococcus pyogenes (GAS) that produces pyrogenic exotoxins. These exotoxins act as superantigens (SAgs), which overstimulate the immune system and trigger an amplified hypersensitivity reaction, resulting in the characteristic high fever and sandpaper-like rash ^[1]. While the rash and pharyngitis are prominent clinical features, the priority nursing intervention focuses on preventing the spread of the causative organism to others.

The primary mode of transmission for Streptococcus pyogenes has long been considered to be via respiratory droplets. A systematic review and meta-analysis confirms that droplet spread is a dominant mechanism, but also highlights that transmission can occur through other routes, including direct contact ^[2]. Because the organism resides in the nose and throat, activities like coughing, sneezing, or talking generate infectious droplets that can travel short distances through the air.

Therefore, for a hospitalized child with scarlet fever, implementing droplet precautions is the immediate priority. This involves placing the child in a private room or cohorting with another patient with the same infection, and having healthcare personnel wear a surgical mask upon entering the room. This barrier directly interrupts the dominant transmission pathway identified in the evidence ^[2]. These precautions are essential until the child has completed 24 hours of effective antibiotic therapy to render them non-infectious.

The other options are not the priority and may even be contraindicated. Administering aspirin to a child with a febrile illness is dangerous due to the risk of Reye's syndrome. Encouraging gargling with mouthwash does not address the infectious etiology or transmission risk. While the "strawberry tongue" and oral manifestations of scarlet fever can be uncomfortable ^[1], topical treatments do not take precedence over infection control. Similarly, the rash is a result of the systemic toxin reaction, not a primary skin infection, and applying topical corticosteroids is not the standard of care and does not prevent transmission. The core of nursing management is first to contain the pathogen, as supported by the evidence on its primary transmission route ^[2].

References (research sources)

[1]
Recrudescence of Scarlet Fever and Its Implications for Dental Professionals.Research articleMatsubara VH, Christoforou J, Samaranayake L. (2023) · DOI: 10.1016/j.identj.2023.03.009
[2]
It's not just droplets: a systematic review and meta-analysis of the modes of transmission of Group A Streptococcus.Meta-analysis/systematic reviewBarth DD, Daw J, Enkel SL, McRae T, Carapetis JR, Wyber R, Bowen AC, Engel ME. (2025) · DOI: 10.3389/fpubh.2025.1630054

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A 6-year-old child is admitted to the pediatric unit with a diagnosis of scarlet fever. Which nursing intervention should be the priority for this child?

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