Skin infections Flashcards
What is impetigo?
A superficial skin infection, usually caused by staph aureus or group A strep.
What does impetigo look like?
Golden encrusted lesions with erythematous base, usually on face
How is impetigo treated?
Topical fusidic acid
Oral flucloxacillin if severe
What is tinea?
A superficial fungal infection, seen on skin and nails and hair.
How is tinea diagnosed?
Take nail clippings or skin scrapings and send to lab for culture
How is tinea treated?
Topical terbanifine
Ketonocazole shampoo
Oral itraconazole/terbanifine
What is cellulitis?
Acute skin infection causing swelling and inflammation caused by staph and group A strep.
How is cellulitis treated?
Oral flucloxacillin (doxycycline) - mild.
IV flucloxacillin (vancomyxin) - mod. Oral switch.
IV ceftriaxone - severe.
What is toxic shock syndrome?
Systemic infection which usually begins in skin/throat, but then causes diffuse faint rash. Due to production of intracellular exotoxin.
How is TSS treated?
Clindamycin to reduce toxin production
What is necrotising fasciitis?
A deep fascial infection which is rapidly progressive
What are the types of NF?
Type 1 - polymicrobial e.g. old people
Type 2 - group A strep e.g. young people
How does NF present?
Looks like cellulitis, usually after trauma, but out of proportionate pain.
How is NF treated?
Benpen Flucloxacillin Gentamicin Clindamycin Metronidazole
How are HAI treated?
Flucloxacillin or vancomycin if MRSA positive.
