Dr. Clark is a Professor of Environmental Toxicology and Chemistry and Director of the Massachusetts Pesticide Analysis Laboratory at the Veterinary & Animal Sciences Department, and at the University of Massachusetts, Amherst.

Head Lice Resistance

Leading head lice expert, Dr. J Marshall Clark, offers his perspectives on how known resistance has rendered OTCs ineffective.

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Dr. Shirley Gordon is a Professor at Florida Atlantic University, Christine E. Lynn College of Nursing, and Director of the Head Lice Treatment and Prevention Project.

Impact on Mental Health

Dr. Shirley Gordon, Director of the Head Lice Treatment and Prevention Project, talks about the negative impact head lice can have on mental health.

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A concept analysis demonstrating how stigmas result from head lice infestations is also available from Dr. Sheila Hurst, Assistant Professor of ADN Nursing at North Idaho College.

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Dr. Christopher Belcher: President, Infectious Disease of Indiana and Director of Pediatric Infectious Diseases, Peyton Manning Children’s Hospital.

Evidence-Based Clinical Data

According to Dr. Christopher Belcher, MD, FAAP, all the latest clinical data points to Spinosad Topical Suspension 0.9% as the standard of care for head lice treatment.1,2

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Primary Studies and Systematic Review Articles

Gellatly KJ, Krim S, Palenchar DJ, et al. Expansion of the Knockdown Resistance Frequency Map for Human Head Lice (Phthiraptera: Pediculidae) in the United States Using Quantitative Sequencing. J Med Entomol. 2016;53(3):653-659.

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Yoon KS, Clark JM, et al. Knockdown Resistance Allele Frequencies in North American Head Louse (Anoplura: Pediculidae) Populations. Med Entomol. 2014;51(2):450-457.

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Hodgdon HE, Yoon KS, Previte DG, et al. Determination of knockdown resistance allele frequencies in global head louse populations using the serial invasive signal amplification reaction. Pest Manag Sci. 2010;66(9):1031-1040.

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Yoon KS, Gao JR, Lee SH, Clark JM, Brown L, Taplin D. Permethrin-resistant human head lice, Pediculus capitis, and their treatment. Archives of Dermatology. 2003;139(8):994-1000.

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