Bacterial Skin Infections Flashcards
What is this and what causes it?
Impetigo
Commonly Staph aureus
What is impetigo and how is it described?
Very infections superficial skin infection by S.aureus.
Crusty, erythematous, papular rash usually on the face.
It can also form bullae
What is this and what causes it?
Folliculitis
S.aureus
What is this called, what is it and what causes it?
Furuncle - small abscess from sebaceuous glands or hair follicles
S.aureus
What is this called, what is it and what causes it?
Carbuncle
Large abscess formed from a collection of furuncles
S.aureus
What types of infection does S.aureus tend to cause?
Superficial
What types of infection does Strep pyogenes tend to cause?
Deeper
What is this called, what is it and what causes it?
Ecthyma
It is localised infection that spreads to the dermis
Strep.pyogenes
How do you treat superficial skin lesions such as impetigo, ecthyma, furuncles, carbuncles and folliculitis?
- Conservative - washing, moisturising
- Topical antibiotics eg FUSIDIC ACID
- Oral antibiotics - Flucox for strep, penicllin for staph
- Incision or drainage
What is this?
Erysipelas
What is this?
Cellulitis
What is erysipelas and cellulitis and what tends to cause them?
Thise are spreading infections of the skin:
Erysipelas - Dermis and upper cutaneous tissue
Cellulitis - Deeper cutaneous tissues
Strep pyogenes
How is erysipelas distinguished from cellulitis?
It is more defined
What are the symptoms of erysipleas and cellulitis?
Redness
Swelling
Pain
Heat
How are erysipelas and cellulitis managed?
Antibiotics
Leg elevation, analgesia and rest