Parastic Infestations Flashcards
1
Q
I.C of scabies
A
3-4 wk
2
Q
Affected sites in scabies
A
- Adults : hands with interdental areas , flexor aspect of wrist, periumblical, extensor of elbow knee…, gentalis (penis & scrotum), buttoks
- Infants all skin including scalp and face
3
Q
leisons of scabies
A
Pleomorphic mainly burrows (1ry leison)
4
Q
DD of Scabies
A
- Impetigo
- Papular urricaria
- Insect bites
- Contact dermatitis
- ## Atopic dermatitis-
-
5
Q
Types of Scabies
A
- Ordinary
- Scabies in infants (vesicular leisons in face, palms & soles)
- Animal (absent burrows)
- Incognito (reduced S&S by syst or top steroid application)
- In clean (frequent bathing)
- Nodular (persistent pruritic hypersensitivity in genitalia, respond to topical or intraleisonal steroids)
- Norwegian (severe, keratotic , immuncomp,heavily crusted)
6
Q
TTT of Scabies
A
- General measures as all members treated, iron clothing, 2ry infection treated first
- Topial : (overnight)
Sulfur (for 3-5 days), permethrin (at day 1,8), benzyl benzoate emulsion, gamma benzene hexachloride, malathione, crotamiton - Systemic :
Ivermectin, oral antihistamines
7
Q
Topical antiscabitics safe in pregnancy
A
Sulfur, permethrin
8
Q
Most commn site in head louse or Ped. Capitis
A
Occipital and post auricular areas of scalp
9
Q
2ry bacterial infection in pediculus capitis causing
A
Scalp impetigo with enlarged cervical L.N
10
Q
TTT of P.Capitis
A
- 2ry infection first
- Antipediculuos on day 1,8 :
permethrin, benzyl benzoate emulsion, gamma benzene hexachloride, malathione, oral Ivermectin - Fine toothed comb + vinegar
11
Q
Natural habitat of P.Corporis or body louce
A
Clothing of host , visit only skin to feed
12
Q
Red spots in under wears characteristic for
A
Phthirus pubis or crab louce (parasite excreta)
13
Q
TTT of Phthirus pubis
A
- Shaving pubic area
- Malathion effective against crab lice
