Lice, scabies, spider bites Flashcards Preview

Dermatology (also gross but true) > Lice, scabies, spider bites > Flashcards

Flashcards in Lice, scabies, spider bites Deck (22)
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1

Ectoparasites that live on the body and feed on human blood. Cause pruritis

pediculosis (lice)

2

Treatment for pediculosis (lice) for all persons who have contact with infested patients

permethrin (Nix) crm or malathion.

3

Used to treat lice when other measures have failed

ivermectin

4

Results from infestation of mite that burrows under the host's skin causing intense itching that is worse with warmth and at night

scabies

5

Three most common skin disorders in children

scabies, tinea, pyoderma

6

Linear tunnel that mite lives in.

burrow

7

Common sites of involvement unique to infantile scabies

facial and palmoplantar

8

Preferred treatment for scabies applied head to toe and left on for 8-14 hrs then washed with soap and water

permethrin crm

9

Given to help relieve itching associated with scabies

atarax (hydroxyzine) or benadryl

10

What should patient education for scabies treatment include?

Wash clothing, bedding or towels in hot water and dried using hot temperature

11

Two spiders most likely to inflict medically significant bites

black widow and brown recluse

12

Most prominent feature of widow spider bite

muscle pain, rigidity, tenderness

13

What type of spider bite is a blanched circular patch with surrounding red perimeter and central punctum? Appears like a target

widow

14

Treatment for mild envenomation of widow bite

clean w/soap and water, analgesia, muscle relaxers, tetanus prophylaxis

15

Used to reduce frequency and severity of muscle spasms of widow bites with moderate to severe envenmation

parenteral benzos

16

Where are brown recluses usually found?

midwestern and southeastern states

17

Complication of brown recluse bite

skin necrosis

18

Typical location for brown recluse bite

upper extremities, thorax, inner thigh

19

When do symptoms of severe pain and itching from recluse bite usually present?

2-8hrs after bite

20

What is included in wound care treatment for brown recluse bite?

clean w/soap and water, cold packs, elevate affected site

21

Used to prevent progression to necrosis and reduce pain from brown recluse bite

dapsone

22

What do you need to screen for before prescribing dapsone?

G6PD