Ectoparasites Flashcards
What is the cause and presentation of scabies?
Sarcoptes scabiei
Transmitted through skin-skin contact
What is scabies crustosa?
Hyperinfestation of scabies encountered in immunodeficient patients
Highly contagious
How is scabies diagnosed?
Intense itching at night, 2+ people in the same house
Scraping of lesions, dermoscopy, ink test
What is the treatment for scabies?
Permethrin 5% from neck down
Ivermectin
Thorough washing of clothes and bedding
Treat all family members at the same time
What is the organism name and treatment for head lice?
Pediculus humanus capitis
Permethrin, malathion, ivermectin, pyrethrins
What is the organism and manifestation of body louse?
Pediculosus humanus corporis
Itchy, red pin-point lesions
What are body louse vectors for?
Typhus
Trench fever
Louse-borne relapsing fever
What is the treatment for body louse?
Permethrin
Malathion
What is the clinical manifestation and treatment of crabs?
Moving freckles, frass
Permethrin, Malathion
What can bed bugs transmit?
Hepatitis B, MRSA, Chagas
What do jigger fleas cause and where are they endemic?
Tungiasis - inflammatory skin condition
Central/South America
What is Myiasis?
Infection by the larva of the bot-fly, mango fly
Where is cordylobia anthropophaga found?
Tumbu fly, Mango fly
Only found in africa
Where is Dermatobia hominis found?
Human botlfy
Latin america
What is Delusional Paraistosis?
Unwarranted belief that they are infested with live organisms or that inanimate objects are coming out of their skin
Female predominant
Diagnosis of exclusion
