Lice & Scabies

Question 1

Three species of lice exist:
1.
2.
3.

Answer 1

Public Lice
Head Lice
Body Lice

Question 2

Adult lice can live up to how many days on the scalp?

Answer 2

30 days

Question 3

True or False: scabies or lice are not transmitted between humans and animals

Answer 3

TRUE, Pets do not transmit any type of human lice and should not be treated.

Question 4

Diagnosis / treatment of any type of lice requires detection of ?

Answer 4

Live Lice, treatment should not be initiated unless there is live lice visualized

Question 5

Non Drug measures for lice:
1.
2.
3. Mechanically remove head lice

Answer 5

1. identify and examine potential human contacts (especially hair to hair contact or sexual contact for public lice)
2. Treat personal items or home/room
   - laundering items in hot water cycle
   - seal non washable items in bag for 2 WEEK
   - vacuum thoroughly

Question 6

How long should ones non-washable items be bagged for in lice ?

Answer 6

At least 2 weeks

Question 7

Treatment of lice should be repeated in __ days

Answer 7

7 days

Question 8

True or False:
Family members and close contacts of individuals with head lice should be examined and treated at the same time if infested

Answer 8

True

Question 9

What are the 4 drug treatment options for the treatment of lice?
1.
2.
3.
4.

Answer 9

1. Permethrin 1%
   (Nix)
2. Pyrethrins/piperonyl butoxide (R&C)
3. Isopropyl myristate/cyclomethicone (Results)
4. Dimeticone 50% (NYDA)

Question 10

These two treatment options for lice are neurotoxic insecticides:
1.
2.

Answer 10

1. Permethrin 1%
2. Pyrethrin/piperonyl butoxide

Question 11

This therapy for lice disrupts wax layer of louse exoskeleton physical kills VIA DEHYDRATION

Answer 11

Isopropyl myristate/cyclomethicone

Question 12

This therapy for lice is silicone based oils that coats louse and physically kills via SUFFOCATION

Answer 12

Dimeticone 50%

Question 13

First line treatment for lice therapy ?
1.
2.

Answer 13

1. Permethrin 1%
2. Pyrethrins/piperonyl butoxide

Question 14

2nd Lind treatment for lice ?
1.
2.

Answer 14

1. Isopropyl myristate/cyclomethicone
2. dimeticone 50%

Question 15

Permethrin 1% and Pyrethrins/piperonyl butoxide are contraindicated in children < ______ ?

Answer 15

2 months old

Question 16

Isopropyl myristate.cyclomethicone is contraindicated in children < _____ ?

Answer 16

2 years old

Question 17

dimeticone 50% is contraindicated in children < ____ ?

Answer 17

2 years old

Question 18

Isopropyl myristate/cyclomethicone and dimeticone 50% are both contraindicated in __________ & __________

Answer 18

pregnancy and breastfeeding

Question 19

These two lice therapies are unlikely to develop resistance ?
1.
2.

Answer 19

Isopropyl myristate/cyclomethicone & dimeticone 50%

Question 20

Most common side effect associated with lice therapy ?

Answer 20

Local Irritation

Question 21

________ is CONTRAINDICATED in chrysanthemum allergy, possibly ragweed allergy due to cross-sensitivity

Answer 21

Pyrethirins

Question 22

_________ is likely safe in chrysanthemum/ragweed allergy

Answer 22

Permethrins

Question 23

Application of all lice products are similar however Permethrin’s initial step varies compared to the rest, explain?

Answer 23

Hair must be WASHED with CONDITIONER-FREE shampoo and towel dry. Treatment is applied to damp hair and scalp

Leave treatment on for 10 minutes then rinse
then nit comb
and may repeat in 7 days

Question 24

Application of all lice products are similar however Dimeticone varies in its own unique way, explain ?

Answer 24

Applied to dry hair and scalp, but LEAVE ON FOR 30 MINUTES and nit comb

THEN LEAVE ON FOR ATLEAST 8 HOURS before washing off

Question 25

In the case of lice treatment failure: 1. 2. permethrin 5% cream 3. oral tmp-smx with permethrin 1% 4. Oral ivermectin

Answer 25

1. try another agent different class

Question 26

Itching alone is NOT a sign of treatment failure, itching may persist for several days after treatment. Either of these two may be used for relief: 1. 2.

Answer 26

An oral antihistamine or low-potency topical corticosteroid may be required for relief

Question 27

Scabies is a highly contagious ________ skin infection

Answer 27

parasitic

Question 28

Scabies primarily spreads through?

Answer 28

Direct contact

Question 29

True or False: Pharmacist can diagnose Scabies?

Answer 29

False, diagnosis must be made by HCP

Question 30

Scabies prevalence increases in: 1. 2.

Answer 30

1. crowded conditions 2. institutional environments

Question 31

Common signs and symptoms of scabies: 1. 2.

Answer 31

1. intense itching that worsens at night 2. burrows on hands and flexor surfaces (white grey linear or wavy lines beneath skin surface)

Question 32

This type of scabies occurs ion immunodeficient patients and is more contagious. It requires aggressive treatment

Answer 32

Crusted or Norwegian scabies - pruritus may be absent due to altered immune status. patient presents with exfoliating scales

Question 33

True or false: In scabies all contacts within preceding month require treatment even if asymptomatic

Answer 33

True

Question 34

Non drug options in treatment of scabies involves 1. avoid sharing belongings 2. wash linens and clothing in hot cycle 3. seal items for at least _______ 4. vacuum areas

Answer 34

3. 5-7 days

Question 35

For headlice when can one return to school or work?

Answer 35

After first treatment

Question 36

For scabies when can one return to work or school?

Answer 36

one day after treatment

Question 37

First line treatment for scabies: 1.

Answer 37

1. Permethrin 5%

Question 38

Second line treatment for scabies: 1.

Answer 38

1. Sulfur 8-10%

Question 39

Permethrin 5% in scabies is contraindicated in infants _____

Answer 39

< 3 months old

Question 40

Sulfur 8-10% is safe in infants ____

Answer 40

< 3 months old

Question 41

Scabies treatment options safe in pregnancy and breastfeeding?

Answer 41

1. permethrin 5% Sulfur safe in pregnancy

Question 42

Main side effects associated with sulfur scabies treatment? 1. 2. 3.

Answer 42

1. irritation 2. malodorous 3. stain clothing