Head Lice Flashcards
1
Q
Definition
A
small wingless insects that infest the hair and scalp and feed on human blood.
2
Q
Who mainly gets headlice
A
children aged 3-11 yrs
3
Q
Risk factors for headlice - 4
A
Age
contact with infested individuals
sharing combs
poor personal hygiene
4
Q
Presentation - 3
A
persistent itching of the scalp
presence of nits in hair
sores or infection due to scratching
5
Q
Pathophysiology
A
Involves 3 stages:
- infestation - lice lay eggs on hair shafts
- Feeding - lice feed on blood
- ithcing and secondary infections
6
Q
Differentials - 5
A
Dandruff
Allergic reaction
folliculitis
scabies
impetigo
7
Q
Management- 3
A
- wet combing
- dimeticone 4% lotion (an insecticide)
-education and prevention
