How is mechanical nit removal performed for pediculosis (lice infestation)?

Updated: Mar 01, 2018
  • Author: Lyn C C Guenther, MD, FRCPC, FAAD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The CDC, American Association of Pediatrics, and National Association of School Nurses recommend that school “no-nit” policies be discontinued. [4] Nits are cemented to hair shaft and unlikely to be successfully transferred to others. [4] Nonetheless, some schools still have a no-nit policy. In such cases, nits can be mechanically removed with fine-tooth combs. Soaking the hair in a solution of equal parts water and white vinegar and then wrapping the wet scalp in a towel for at least 15 minutes may facilitate removal. Commercial products include an 8% formic acid preparation (GenDerm Step 2) and an enzymatic nit remover (Clear).


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