Parasitic Infestations

Question 1

Pediculosis is a

Answer 1

Infestation of Lice

Question 2

Pediculosis humanus capitis

Answer 2

Head lice

Question 3

Pediculosis humanus corporis

Answer 3

Body lice

Question 4

Pediculosis pubis

Answer 4

Pubic lice or crabs

Question 5

Pediculosis Clinical Manifestations

Answer 5

• Intense pruritus (May l/t secondary excoriation/infection)
• Tiny, red, noninflammatory lesions
• Eggs (nits) of head & body lice often attached to hair shafts
• Public lice often spread by sexual contact

Question 6

Pediculosis Tx:

Answer 6

• Permethrin 1% liquid (Nix)

- Pyrethrin compounds (Rid)

Question 7

Permethrin 1% liquid (Nix): Pt Edu

Answer 7

-Effective against nits & lice w/ just 1 application
Steps:
1. Shampoo hair
2. Leave Nix on hair for 10 mins
3. Rinse off
-May repeat in 7 days
*When shampooing hair, use a fine-tooth comb or tweezers to remove remaining nits

Question 8

Pyrethrin compounds (Rid)

Answer 8

For pubic & head lice

Question 9

Scabies is

Answer 9

A skin infestation by Sarcoptes scabiei mites

Question 10

Scabies Clinical Manifestations

Answer 10

• Intense itching, esp @ night
• Burros are seen, esp btwn fingers, on surfaces of wrists, & in axillary folds
• Redness, swelling, & vesicular formation may be noted

Question 11

Scabies Tx:

Answer 11

Permethrin 5% cream (Elimite)

Question 12

Permethrin 5% cream (Elimite): Pt Edu

Answer 12

Steps:

1. Apply cream to skin from heat to soles of feet
2. Leave on for 8 to 14 hrs
3. Wash off
   * Only 1 application needed

Question 13

Home Care:

Answer 13

• All fam members & close contacts need to be treated for parasitic disorders
• Bedding/clothing should be washed/dry-cleaned
• Furniture/rugs should be vacuumed/treated
• Seal nonwashable items in plastic bags for 14 days

Question 14

Life span of Lice

Answer 14

• Can survive up to 48 hrs

- Nits can hatch in 7-10 days when shed in environment