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GP - Phase II > Skin infections > Flashcards

Flashcards in Skin infections Deck (24)
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1
Q

What is Dermatophytosis/Tinea (Ringworm)?

A

A fingal infection where Trichophyton rubrum grows in dead keratin causing a red ring lesion

2
Q

What are the features of Dermatophytosis/Tinea (Ringworm)?

A

Red ring lesions
Itchy
Worse in hot/humid environments as increased risk of growth

3
Q

How can you treat Dermatophytosis/Tinea (Ringworm)?

A

Topical antifungals

If not improving, can give oral antifungals

4
Q

What is Pityriasis versicolor?

A

A yeast infection of the skin, more common in young men

5
Q

What are the features of Pityriasis versicolor?

A

Flaky discoloured patches
Tend to be on trunk, neck and arms
Rarely itch
May be hyper/hypo pigmented

6
Q

How can you treat Pityriasis versicolor?

A

Anti dandruff shampoo

Topical antifungals

7
Q

What is the Herpes zoster/simplex virus?

A

Shingles

8
Q

What are the features of Shingles?

A

Nerve pain followed by painful blistering rash

The virus is reactivated in the patients nerves

9
Q

How can you manage Shingles?

A

Aciclovir (Anti viral) can be given in first 36 hours to shorten the duration. If past 36 hours, don’t do anything

10
Q

What is the Varicella zoster virus?

A

Original infection before Shingles, causes Chicken pox

11
Q

What are the symptoms of Chicken pox?

A

Fever
Tiredness
Headache

12
Q

How can you manage Chicken pox?

A

Camomile lotions to try and reduce itching

13
Q

What are Warts?

A

Small rough growths caused by a virus which is a strain of HPV.
Tend to be on hands/feet (Wart on foot is called Verruca)

14
Q

How can you treat Warts?

A

Usually go by self eventually

Can use duct tape to stop oxygen reaching them if want to try and speed up process

15
Q

What is Cellulitis?

A

A bacterial infection of the dermis/subcutaneous fat

16
Q

What are the features of Cellulitis?

A

Well demarkated blanching erythema

17
Q

What organisms can commonly cause Cellulitis?

A

Staphylococcus aureus straings eg MRSA

Treat with Flucoxacillin

18
Q

What is Erysipelas?

A

Bacterial infection of the epididymis only

Patients are more likely to have systemic features

19
Q

What organisms commonly cause Erysipelas?

A

B Haemolytic streptococci

Streptococcus pyodermis

20
Q

What is a complication of Erysipelas?

A

If spreads into the fascial layer can cause Necrotising fascitis

21
Q

How can you treat Erysipelas?

A

Flucoxacillin

22
Q

What is Scabies?

A

A mite infestation of the skin

23
Q

What are the features of Scabies?

A
Series of burrows that may be in a straight line or sigmoid pattern
Small, raised, pimple like
Can cause papules/blisters
Itchy
Tends to be in clefts
Very easy to spread
24
Q

How can you treat Scabies?

A

Wash all linen that has come into contact with person

Malathion lotion