Lice, scabies, spider bites Flashcards
Ectoparasites that live on the body and feed on human blood. Cause pruritis
pediculosis (lice)
Treatment for pediculosis (lice) for all persons who have contact with infested patients
permethrin (Nix) crm or malathion.
Used to treat lice when other measures have failed
ivermectin
Results from infestation of mite that burrows under the host’s skin causing intense itching that is worse with warmth and at night
scabies
Three most common skin disorders in children
scabies, tinea, pyoderma
Linear tunnel that mite lives in.
burrow
Common sites of involvement unique to infantile scabies
facial and palmoplantar
Preferred treatment for scabies applied head to toe and left on for 8-14 hrs then washed with soap and water
permethrin crm
Given to help relieve itching associated with scabies
atarax (hydroxyzine) or benadryl
What should patient education for scabies treatment include?
Wash clothing, bedding or towels in hot water and dried using hot temperature
Two spiders most likely to inflict medically significant bites
black widow and brown recluse
Most prominent feature of widow spider bite
muscle pain, rigidity, tenderness
What type of spider bite is a blanched circular patch with surrounding red perimeter and central punctum? Appears like a target
widow
Treatment for mild envenomation of widow bite
clean w/soap and water, analgesia, muscle relaxers, tetanus prophylaxis
Used to reduce frequency and severity of muscle spasms of widow bites with moderate to severe envenmation
parenteral benzos