Skin infections and infestations

Question 1

What is the process of HSV?

Answer 1

Primary exposure leads to latent infection and a cycling response of clinical episodes an latent infection

Question 2

What are the 2 types of HSV?

Answer 2

HSV-1= oral herpes
HSV-2= gental herpes

Question 3

How is HSV transmitted?

Answer 3

Usually by direct contact

Question 4

What are the signs and symptoms of HSV?

Answer 4

Blistering sores
Itching
Fever, lymphadenopathy, lack of appetite, fatigue, headaces
HSV-2= painful urination

Question 5

What is the treatment of HSV?

Answer 5

Aciclovir

Question 6

What is the process of HZV?

Answer 6

Primary exposure leads to chicken pox then latent infection, which can be reactivated causing shingles then returning to latent infection

Question 7

What are the signs and symptoms of shingles?

Answer 7

Red skin rash that causes pain and burning, typically on one side of the body in small patches
Vesicles or bulla that break easily

Question 8

What is the treatment of HZV?

Answer 8

Aciclovir in higher doses than in HSV

Question 9

What is the initial presentation of ORF?

Answer 9

Red, itchy, painful plaque, usually fingers, hands, forearms or fae

Question 10

What are the signs and symptoms of ORF?

Answer 10

Bulla or pustule/abscess that weeps fluid will develop then crust over
Pyrexia, fatigue, lymphadenopathy

Question 11

What is the treatment of ORF?

Answer 11

None- self limiting

Question 12

When is the peak incidence of molluscum contagiosum?

Answer 12

~10 years

Question 13

What causes molluscum contagiosum?

Answer 13

Viral

Question 14

What are the signs and symptoms of molluscum contagiosum?

Answer 14

Small red raised papule with characteristic small dimple in the middle, most often in armpit, behind knees or in groin
Itchy

Question 15

Wat is the treatment of molluscum contagiosum?

Answer 15

Cryotherapy

Expression and antiseptic

Question 16

When is treatment recommended in molluscum contagiosum?

Answer 16

In older children and adults if spots unsightly or impact quality of life

Question 17

What causes scabies?

Answer 17

Ectoparasites

Question 18

What are the signs and symptoms of scabies?

Answer 18

Intense itching, esp at night
Pimple like rash, papule and vesicles
Burrows- if there is 1 burrow this is enough for diagnosis

Question 19

What is the treatment of scabies?

Answer 19

Cream- lyclear, all over body

Treat close contact also

Question 20

What are the types of warts?

Answer 20

Plantar
Genital
Plane
Filliform
Mosaic

Question 21

What causes warts?

Answer 21

HPV

Question 22

What is the appearance of plantar warts?

Answer 22

Flesh coloured or light brown

Flecked with small clotted blood vessels that may appear as black dots

Question 23

What is the appearance of genital warts?

Answer 23

Flesh coloured, pink or red growth in or around sex organs

Question 24

What is the treatment of warts?

Answer 24

Cryotherapy
Salicylic acid
Covering with duct tape
Surgical removal
Laser surgery

Question 25

What can fungal infections cause?

Answer 25

``` Tinea pedis Tinea cruris Tinea corporis Tinea barbae Kerion ```

Question 26

What in tinea pedis?

Answer 26

Athlete's foot

Question 27

What is tinea cruris?

Answer 27

Fungal infection of crotch | Common in people with athletes foot

Question 28

What is tinea corporis?

Answer 28

Fingal infection of body- ringworm

Question 29

What is tinea barbae?

Answer 29

Fungal infection in hair follicles

Question 30

What is the treatment of tinea barbae?

Answer 30

Systemic antifungals

Question 31

What is a kerion?

Answer 31

Abscess caused by fungal infection, usually in scalp

Question 32

What is the treatment of a kerion?

Answer 32

Topica; and systemic treatment

Question 33

What is impetigo?

Answer 33

Highly contagious bacterial skin infection

Question 34

What causes impetigo?

Answer 34

Usually staph aureus

Question 35

What is the appearance of impetigo?

Answer 35

Golden coloured blisters/sores

Question 36

What s a furuncle?

Answer 36

Boil

Question 37

What causes a furuncle?

Answer 37

Staph aureus infection of hair follicle

Question 38

What is the appearance of a furuncle>

Answer 38

Painful swollen area with accumulation of pus and dead tissue

Question 39

What is a carbuncle?

Answer 39

Collection of builds connected under the skin | Infection of hair follicles with collection of pus under skin

Question 40

What is erysipelas?

Answer 40

Infection of upper dermis

Question 41

What is the appearance of erysipelas?

Answer 41

Sharply demarcated raised edge of red, warm rash | Enlarges rapidly

Question 42

What causes erysipelas?

Answer 42

Streptococcus

Question 43

What is cellulitis?

Answer 43

Infection deep into dermis, will cause systemic illness

Question 44

What causes cellulitis?

Answer 44

Staph aureus and streptococcus

Question 45

What is the appearance of cellulitis?

Answer 45

Diffuse border, red appearance

Question 46

What is ecthyma?

Answer 46

Crusted scored beneath which ulcers form down into dermis

Question 47

What is the main cause of ecthyma?

Answer 47

Staph aureus