Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/20

Click to flip

20 Cards in this Set

  • Front
  • Back
Three types that infest humans
Head
Body
Pubic
combs?
Fine nit combs are important
OTC Products : LICE
Pyrethrin lotion
Permethrin lotion
Rx Products : LICE
Permethrin cream
Malathion
Lindane
Benzyl alcohol
Pyrethrins : MOA
block nerve impulse transmission  paralysis and death
Permethrin 1% (Nix) : MOA
Disrupts sodium channel  delaying repolarization  paralysis
SE: Permethrin and Pyrithrin?
SE: pruritis, burning of scalp, irritation
Do not use if pt allergic to ragweed/chrysanthemums
Permethrin cream 5%
5x stronger than the lotion

Not FDA approved for lice
Malathione lotion 5% (ovide®)
Also contains terpineol which acts as a pediculicide
Malodorous
Benzyl alcohol 5% (ulesfia®)
Inhibits respiration of lice by obstructing respiratory spiracles causing lice asphyxiation
Lindane 1% (shampoo & lotion)
An organochlorine insecticide that inhibits neurotransmission in parasitic arthropods

Not considered a first-line product

Only prescribe the necessary amount to treat lice/scabies

* Last resort*
Spinosad 0.9% (natroba®)
Fermentation product of the soil bacterium Saccharopolyspora spinosa

MOA: compromises the CNS of lice by interfering with the nicotinic acetylcholine receptorneuronal excitation and paralysis
Emerging Theraphy
Nuvo lotion (Nuvo method)
Scabies
Spread by close contact and via transmission of infected items (clothing, sheets, etc.)
Scabies Treatment?
Permethrin cream 5% (Elimite®)

Crotamiton 10% (Eurax®)
Scabies Treatment: Less Used
Lindane (Kwell®)


Ivermectin (Stromectol®)
Pubic Lice
Typically transmitted by sexual contact
Pruritis, rash, pustular lesions (possible)
Patient may have nits in eyelashes, eyebrows, hair
Public Lice Treatment:
Permethrin 1% cream rinse
Apply to affected area and leave on for 4-6 hours, followed by a warm bath
Pyrethrins with piperonyl butoxide
AAA leave on 4-6 hours, then bathe
Do NOT use permethrin or pyrethrins in those allergic to chrysanthemums or ragweed
Antihistamines & low-dose topical steroids for relief
Sex partners should be treated
Non-sex partners do not need to be treated
Decontaminate bedding and clothing (bag for 2 weeks)
Pubic lice—non-fda approved
Malathion lotion 0.5%
Use for treatment failure or allergy
AAA leave on 12-24 hours
Ivermectin
200mcg/kg x 1, repeat in two weeks
Bedbugs—treatment
No treatment is required unless infection occurs

Best recommendation- get out