Ignoring the "Itch": The Global Health Problem of Scabies

Area of Science:

• Dermatology
• Infectious Diseases
• Public Health

Background:

• Scabies, caused by *Sarcoptes scabiei* var. *hominis*, is a prevalent parasitic skin affliction in tropical, developing nations.
• Transmission occurs through close person-to-person contact, frequently leading to outbreaks in communal living settings like asylum seeker reception centers.
• Clinical manifestations include intense pruritus, excoriated papules, and characteristic skin burrows, increasing susceptibility to secondary bacterial infections.

Purpose of the Study:

• To highlight the public health significance of scabies infestations.
• To discuss current treatment modalities and their limitations.
• To advocate for integrated disease control strategies for scabies.

Main Methods:

• Review of clinical presentation and transmission dynamics of scabies.
• Evaluation of standard treatment protocols, including topical 5% permethrin cream.
• Assessment of community-based interventions such as mass drug administration and active case finding.

Main Results:

• Scabies infestation predisposes individuals to bacterial skin infections, potentially causing severe systemic complications affecting the kidneys and heart.
• Topical 5% permethrin cream is the established first-line treatment for individuals and their contacts.
• Community mass drug administration coupled with active case finding demonstrates potential for reducing scabies and associated bacterial infections.

Conclusions:

• Integrated disease control strategies are crucial for mitigating the global burden of scabies.
• Continued advocacy and research are needed to develop effective, widespread control programs.
• Reducing scabies prevalence can significantly decrease the incidence of secondary bacterial infections and their severe complications.