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Lice 101

Diagram of child head, magnifying glass reveals a head louse attached to hair, and several louse eggs (nits)
Picture from MyHealth.Alberta.Ca
 
What are Head Lice?
  • Small parasite that lives on human blood
    • Like to be next to warm scalp
    • Avoids light
    • Quick little “buggers”
    • By time live lice are noticed you have usually had them for several weeks
    • Not known to spread disease therefore are not considered a medical or public health hazard.
    • They do not live on animals
    Small louse on tip of q-tip
    Image from www.mylice.com
     
    How to identify
  • Do NOT jump, hop or fly
  • They crawl from one head to another
  • Active infestation is presence of crawling live louse
    • Louse - Adult lice
      • Six legged critter the size of a sesame seed
      • Has claws to hold on to the hair shaft
    • Nit - Lice egg
      • Attached to hair shaft with sticky substance
How do you get “Rid” of it?
  • Remove lice using fine toothed comb
  • Remove what nits you can
  • Daily removal of live lice and nits over next 2 weeks
woman coming child's hair with fine tooth comb
Image by Bangor Daily News/Jim Evans
  • Treat with “lice” shampoo like Rid or Nix
    • Follow directions on box
    • Retreat according to box instruction
  • Wash clothing and bed linens used within the past 48 hours
  • Vacuum house and car on regular basis
  • Clean combs and brushes in HOT water
  • Bag any items not able to be washed for 2 weeks
 
Avoid lice, How?
  • Avoid HEAD to HEAD contact
  • Avoid whispering into friend’s ear
  • Avoid hugs, elbow bump your friends instead
  • Avoid sharing pillows at sleepovers and sitting with heads leaning together
  • Avoid wrestling with one another
Children looking down at camera with heads touching
image from www.cdc.gov
  • Check your head regularly for lice to catch a new infestation early
Woman inspecting child's scalp
Image from www.livescience.com